Your friends were all worried about _______ you were sick.
| A．that | B．which | C．what | D．the fact that |
Jack tried to play a trick ______ his sister but she wasn’t taken ________ .
| A．by; on | B．in; in |
| C．on; in | D．on; on |
My English-Chinese dictionary has disappeared. Who_____ have taken it ?
| A．should | B．must | C．would | D．could |
People generally think that smoking is a bad __________ .
| A．custom | B．habit |
| C．behavior | D．action |
, they didn’t do well in helping each other with their study.
| A．To honest | B．Honest |
| C．To be honest | D．To be honestly |
—How did you find your missing key?
—.
| A．I found it in my drawer |
| B．Quite by accident |
| C．It was well kept by the monitor |
| D．I had no idea where it was |