The plan _________ just because people were unwilling to cooperate (合作).
| A．broke down | B．pulled down | C．turned down | D．put down |
______ he did not want to, he still had to share his hotel room with a stranger.
| A．Because | B．Even though | C．When | D．As though |
He said he would come to attend the lecture if he ___________ time.
| A．has | B．has had | C．will have | D．had |
--- Shall I tell John about it?
--- No, you _____. I’ve told him already.
| A．mustn’t | B．wouldn’t | C．shouldn’t | D．don’t have to |
No one will be sure ____________ in a million years.
| A．What will man look like |
| B．man will look like what |
| C．what man will look like |
| D．what look will man like |
PSAs are often run _____ free, and are ______ to educate people about health, safety, or any other problem that affects public welfare.
| A．for, mean | B．for, meant | C．of, to mean | D．in, meaning |