Her explanation certainly sounded _______.

In its pure State, aluminum is a weak metal, but when combined with elements such as copper or magnesium, it is formed alloys of great strength

Chia động từ trong ngoặc cho phù hợp để hoàn thành các câu sau.

I wish they (be) _______________ here now.

It was after shortlymicroscopes were introduced at the beginning of the seventeenth century that micro organisms were actually sighted

____________ is the Great Wall? It’s between 5 and 13 meters high.

Not one in one hundred children exposed to the disease are likely to develop symptoms of it

Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence: 

Lan __________ the train if she __________ in a hurry.

Choose the best option A, B, C or D to make meaningful sentence: "The company is making a concentrated effort __________ its market."

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

The visitor asked me where I _________ from.

The average salt content of seawater is more than three percents.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence:

Where is Huong? ~ She’s out. She said she ________ back soon.

I hadn’t understood his directions. However, I asked him to repeat what he’d said

He has hardly never given a more impressive performance than this.

Canada is made up of ten provinces and two territories, with governmental powers being divided between the federal government or the provinces.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

I expect it will rain again when we're on holiday this year, but at least we are properly prepared_________ it this time.

Identify the error in each sentence: There (A) are fifty students (B) in the class. (C) Half of the class (D) is girls.

Research has proved that a baby can distinguish its mother’s voice the moment he is born.

Stars derive their energy from thermonuclear reactions that take place in their heat interiors.

After a while, the track we have been following became thick undergrowth

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

A small_________ of students was waiting outside the class to see the teacher.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

We have not won yet; __________, we shall try again.