The man in black was about to set fire to the house ____ the police came.
| A．while | B．after | C．before | D．when |
He did not regret saying what he did but felt that he ______ it differently.
| A．could express | B．would express |
| C．could have expressed | D．must have expressed |
--You didn't wait for Tom yesterday.
--Yes, but we ______. He didn't come.
| A．needn't have | B．didn't need to |
| C．could have | D．should have |
Sarah pretended to be cheerful,_________ nothing about the argument.
| A．said | B．to say | C．saying | D．to be saying |
Reportedly, the number of students _______ to computer games _____ been on the increase in recent years, which is a major concern for many people.
| A．devoted; has | B．related; have |
| C．connected; have | D．addicted; has |
Jody had all these feelings _____ she had no way to express herself.
| A．as if | B．even if | C．except | D．as long as |