Many of the creatures in the movie “Avatar” are not real, but much of __________ happens is attractive．
| A．which | B．that | C．what | D．them |
a bad habit is formed, it will take a long time to get rid of it．
| A．Ever since | B．While | C．Once | D．Even if |
Li Gang was required to apologizethe people present at the meeting __ what he had done．
| A．for; by | B．with; about | C．to; for | D．at; with |
--- Hi, Lucy．Do you know where Linda is?
--- She in the library．I saw her there just a few minutes ago．
| A．shall be | B．must be |
| C．should have been | D．might have been |
I the office yesterday afternoon when a stranger came in with a boy．
| A．left | B．was about to leave |
| C．was to have left | D．will leave |
Professor Tang didn’t give us a speech today．It washe had a traffic accident on the way to school．
| A．that | B．when | C．why | D．because |