超星 - 2018年6月语法结构题 - 查题吧

单选题

··Structure··Section A21. Each worker puts in nearly 2 200 hours a year,_____________average, and contributes about $ 30 to GDPper hour.

A)with
B) in
C)on
D) under

单选题

22. If you have difficulty_________your bills, tell your utility company as soon as possible.

A)pay
B) paid
C) to pay
D)paying

单选题

23.__________most students own a smartphone, the school does not allow them to use it in the classroom.

A)Even though
B)In case
C)Now that
D) If only

单选题

24. The airport is usually your first stop before __________on your vacation or trip.

A)leave
B)leaving
C)left
D) to leave

单选题

25. It was at yesterday's meeting ______________I misunderstood what you had said.

A)that
B)where
C)which
D)who

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