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Of all high school courses, mathematics _____ to be difficult

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They__________ to Hanoi three times this year

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In this subject, we study maps and countries.

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A generation gap is commonly perceived ____ differences between generations that cause conflict and complicate communication, creating a "gap."

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Michelson is at the travel agency. 
Michelson: “How much is the tour price?”  Travel agent: “ _______ ."

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Although the chemist’s initial experiment failed, she ________ upon a strong new material in the process

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She admitted that she had ______________ a mistake

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We were just ________ in the sitting area and somehow the window got broken

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If only I ____ the books on the reading list before I attended the lecture on My Son sanctuary

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Based on the information we ------- from distributors and customers, we are planning to relocate our headquarters

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He was such a skinny kid that I'm glad to see he's finally filled _________ some

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It's getting dark, so we'd better make __________ camp

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It’s a room at your school where there are books, newspapers, etc. for you to read, study, or borrow. You can read books and study here. What is it?

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Career ____ is an ongoing process that can help you manage your learning and development.

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You better leave now if you don't want rush hour traffic to hold you _________

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I can’t stand him. He always talks as though he______everything

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He ………in drug across the border when the police caught him last Sunday

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The invention of the mobile phone has undoubtedly revolutionized the way people communicate and influenced every aspect of our lives. The issue is whether this technological innovation has (25) _____ more harm than good. In order to answer the question, we must first turn to the types of consumers. Presumably, most parents (26) _____ are always worrying about their children’s safety buy mobile phones for them to track their whereabouts. We can also assume that most teenagers want mobile phones to avoid missing out on social contact. In this context, the advantages are clear. (27) _____, we cannot deny the fact that text messages have been used by bullies to intimidate fellow students. There is also (28) _____ evidence that texting has affected literacy skills. The widespread use of mobile phone has, out of question, affected adult consumers too. What employee, on the way home from work, would be reluctant to answer a call from their boss? Apparently, only 18% of us, according to a survey, are willing to switch off our mobile phones once we've left the office. Admittedly, mobile phones can be intrusive but there are obvious benefits to possessing one. Personally speaking, they are invaluable when it comes to making social or business arrangements at short (29) _____. They also provide their owners with a sense of security in emergency situations

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Viet Nam ______________ Tet according to the lunar calendar.

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What time do we set ___________ tomorrow?

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I spoke to James today. He was ...... you