Most of the professors _____ to our schoolwere from South Africa．

Don’t you know your computer has been infected with viruses?— Really, no wonder it hasn’t ________ as well as before. [ ]

He used to ________ problems ________ along with his classmates, but he can get on well with them now.

take it seriously, Alice. I wasn’t making _____ fun of you — it’s nothing but _____ joke.

Come and see me whenever ______