Thank you for your hard work last week. I don’t think we _______ it without you.
A. could have managed B. can manage
C. managed D. could manage
Suddenly a good idea occurred to her, but she couldn’t find any paper ______.
A. to write B. to write on
C. written D. writing on
Thailand has decided to begin building its first standard-gauge railways in cooperation with China, ______may cost $12.2 billion.
A. when B. that C. it D. which
— Excuse me, can you show me the way to the nearest bus stop?
— Sorry. I’m a stranger here. I ______ here until my guide arrives.
A. stand B. have stood
C. am standing D. will stand
When Mary arrived she found all her children ______ for nearly two hours.
A. have gone to sleep B. fell asleep
C. was falling asleep D. had been asleep
The silence of the library ______only by the sound of pages being turned over.
A. had been broken B. breaks
C. broke D. was broken
