Nothing is serious with my throat , _____ ?
| A．is there | B．isn’t there | C．is it | D．isn’t it |
相关试题
He was so busy. He cannot afford enough time with his son _____ he wants to.
| A．even if | B．as if | C．because | D．before |
Someone is ringing the doorbell. Go and see ____.
| A．who is he | B．who he is |
| C．who is it | D．who it is |
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