-- Has Nancy gone back to her home in the UK?
--Yes. She ______ here only for three days with her friends.
A. stayed B. had stayed
C. has stayed D. was staying
A good teacher must be able to help his students learn the subject with great interest ______ he reaches the last minute of the class.
A. when B. unless C. until D. after
--I’m exhausted. I ______ on a design day and night.
--You’d better have several days off after finishing it. Otherwise you might break down.
A. work B. worked
C. had worked D. have been working
-But for your timely warning, we ______ into great trouble.
--You know we’re friends.
A. would get B. must have got
C. would have got D. couldn’t have got
--Alice won’t join in our discussion tonight.
--Oh, she ______. We have already put it off.
A. mustn’t B. can’t
C. shouldn’t D. needn’t
I will appreciate it ______ you can change your plan a little bit to make it more workable.
A. so B. if C. since D. although
