—Jane ,can you play_______ erhu .
This is ______ useful book on erhu .
A. the , a B. / ; a C. the ; an
相关试题
As a student, we should keep our classroom ________.
| A．dirty | B．clean | C．clear | D．noisy |
Some children prefer to eat junk food ________ it’s not good for their health.
| A．although | B．if | C．as | D．when |
—Oh, it’s too difficult for me ________ the work in such a short time.
—Anything is possible if you put your heart into it.
| A．finish | B．finishing |
| C．finished | D．to finish |
—Alan, don’t ________ too late, or you will feel sleepy in class.
—Sorry, Mrs. Black. I won’t do that again.
| A．set up | B．put up | C．stay up | D．stand up |
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