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While he was doing homework, his sister _______(learn) English.

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My neighbour is______ photographer: Let's ask him for______ advice about color film

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Hoang and Phong ____ football as they’re having class now

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He _________ in the garden when I came.

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Our managing director, __________is Australian, misses the beaches and weather of his hometown

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I can't tell Peter and Paul apart; they are ____ twins.

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

Linda is the more capable of the two girls who has tried out for the part in the play.

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______ pens are there on the table? -Two

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Mary's boyfriend is a nice enough guy, but some of the ridiculous things he says—I don't think he's playing with a full ___________

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Once ____ in large quantities, these products will be more affordably priced

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Without effective long-term protection, tigers could disappear from their natural __________within the next decade.

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

Energy research, medicinal, tourism, and copper are important to the economy of Butte, Montana.

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“How many pages_______so far?”

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The age of the patients and their overall health must be ___________ into the results

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:

Measles are a very contagious disease that can spread through contact with infected mucus and saliva.

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I love durian, ________ my friend can’t stand its smell

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I think we should go over and _________ our respects to the new neighbors and make them feel welcome to the area

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We must find the solution now.

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Anders Nilson will act as temporary branch manager ------- a qualified candidate is hired

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_____________ and originality are more important than technical skill

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We _____ new subjects for this school year