The workers demanded that their employer_____ their working conditions.
| A．had improved | B．would improve | C．improve | D．will improve |
I wish I what to do.
| A. knew |
B. have known |
C. know |
D. will know |
It is important that we wild animals.
| A. will protect |
B. should protect |
C. shall protect |
D. are protecting |
I knowJohn Lennon, but notfamous one.
| A．×, a | B．a, the | C．×, the | D．the, a |
Under no circumstances, he was warned, _____ to give the password to someone else.
| A．he was | B．was he | C．he could | D．could he |
He accidentally _____ he had quarreled with his wife and that he hadn’t been home for a couple of weeks.
| A．let out | B．tried out | C．ran out | D．made out |