Doctors are doing research to find out what happens physically when people _________ smoking.
| A．quit | B．decline | C．depart | D．reserve |
The girl, when _____ why she _____ in the exam, just lowered her head and kept silent.
| A．questioned; was cheated |
| B．being questioned; was cheating |
| C．questioned; had cheated |
| D．being questioned; has cheated |
Mary dropped the vase, but her mother stared at her _____ she had done something clever．
| A．in case | B．as if |
| C．so that | D．though |
–When did Tom, head of this famous international corporation, stand trial in open court ?
–It was on Thursday _____ you were in Beijing.
| A．when | B．that | C．where | D．which |
Their love _____ quickly over the months that followed after they met in a dating show.
| A．was developed | B．developed |
| C．had developed | D．would develop |
.At the ceremony, the president delivered a thank-you speech _____ the company.
| A．on account of | B．in charge of |
| C．on behalf of | D．in terms of |