His homework______, but it _____.

—I didn’t see her yesterday.—Of course, you _____, because she had gone to a trip.

 —You know that you were driving at 100 kilometers per hour, don’t you?—No, officer, I _____ have been. This car can’t do more than 80.

—May I speak to the patient now?—No, you _____. He is too weak now.

—Why am I so slow at doing the cloze test?—I guess you didn’t realize the use _____ the contexts.

My MP4 player isn’t in my bag. Where        I have put it?

The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.

You _____ phone him if you want to, but you _____! He will surely phone you.

My aunt _____ here by now, for she took the early bus.

The pilot kept calm in the terrible storm, otherwise the accident ______.

You _____ pay your library fines. If not, you _____ not be allowed to graduate.

 I am glad that you have managed to come. You ___ have brought wine. We’ve got plenty.

--- I have great difficulty figuring out the answer to this problem.    --- _____ my advice, you ____ less difficulty with such problems. 

—Who has made a mess in my room?—Who else       it but your naughty son?

If the prediction for the earthquake ________ more accurate, we would have been more prepared and many more lives would have been saved.

—Where is Bob? I cannot find him anywhere.—He       have been off long. I heard him make a call just now.

Class regulations require _____ is the last to leave the classroom _____ off all the lights.

He said he would rather not _____ it right now.

“Must we do it now?” “No, you _____.”

The little girl _____ there alone.