—Daddy, how much do you earn an hour?
—If you ______ know, $20 an hour．
A. may B- must
C．can D．should
相关试题
It was not until she got home ____ Jennifer realized she had lost her keys.
| A．when | B．that | C．where | D．before |
Jane said to Mary, “What are you going to do tomorrow?”
Jane asked Mary ___________.
| A．what was she going to do the next day |
| B．what she was going to do tomorrow |
| C．what she was going to do the next day |
| D．what was she going to do tomorrow |
The money collected should be made good use ________ the people in Taiwan who suffered a lot in the earthquak
e.
| A．of helping | B．to help | C．to helping | D．of to help |
Students are required to _______ down what the teachers teach in class.
Which of the following is wrong?
| A．set | B．put | C．write | D．make |
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