In this experiment, they are wakened several times during the night, and asked to report what they _____.
| A．had just been dreaming | B．are just dreaming |
| C．just dreamt | D．have just been dreaming |
—Daddy, how much do you earn an hour?
—If you ______ know, $20 an hour．
A. may B- must
C．can D．should
I ______ for six months．I'm really out of shape．
| A．hadn't exercised |
| B．didn't exercise |
| C．don't exercise |
| D．haven't exercised |
—Could you give me some advice on getting a job?
—First, find out ______ you like doing best．
| A． what | B．which |
| C．how | D．why |
For better sound effects, he was asked to speak ______ the microphone during the whole process．
| A．in | B．for |
| C．into | D．from |
So heavy ______ that I felt great relief after taking it off．
| A．is the load | B．the load was |
| C．was the load | D．the load is |