If you had joined the chat room ten minutes ago, you ______what we were talking about!
A. have known B. knew C. would have known D. would know
Yesterday, when I went to his office, he ______ online for some information. I think it will be an interesting lecture.
A. searched B. was searching C. would search D. has searched
Instead of telling the joke he _______, Crystal made up a new one.
A. made B. has made C. had made D. would make
I am pleased to have this chance today ______to you about the United Nations or the UN.
A. talking B. to talk C. talked D. talk
—How are you getting on with your work?
—Oh, I'm sorry. Things aren't going so well as ________.
A. being planed B. planning C. planned D. to plan
Go and make someone laugh —______just might help them live longer.
A. it B. which C. that D. they
