We expected her to be here hours ago.

Nam was not at home either. Perhaps he went out with his girlfriend.

We could have helped her out.

By the year 2030, it…………possible to travel faster than the speed of light

I don’t know why you're doing that now. You know it…………finished yesterday.

Choose the best answer to complete each of the following sentences.

It couldn't have been Mary that you heard shouting last night, as she is vacationing in     Vermont at the moment.

I was reading the book last night before I went to bed. I never took it out of this room.

It…………around here somewhere. Where…………it be?

Andy can't be having a bath.

Sam…………his collection. I can imagine his wife's anger if he does.

It is possible that we won't have to take an entrance exam this year.

Tom ought to have made more effort to locate his brother.

You can’t mean that! You………….

It was wrong of you not to call the fire brigade

Look! She is laughing. She…………something funny or happy.