— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.
— Oh, it __________ my younger sister. She was in my room at that moment.
| A．must have been | B．should have been |
| C．could have been | D．may have been |
We found the baby ____ on the floor.
| A．slept | B．sleep | C．to sleep | D．sleeping |
Either you or the headmaster_______ the prizes to these gifted students at the meeting.
| A．is handing out | B．are to hand out |
| C．are handing out | D．is to hand out |
______ can you expect to get a pay rise.
| A．With hard work | B．Although work hard |
| C．Only with hard work | D．Now that he works hard |
The officers narrowly escapedin the hot battle.
| A．have killed | B．to kill | C．to be killed | D．being killed |
We have made _____ a rule ______ in the office.
| A．this, not to smoke | B．it, smoking | C．it, to not smoke | D．it, not to smoke |