—Did you know ______ just now?
—Their plane didn't take off on time because of the thick fog.
| A．what did they happen | B．what happened to them |
| C．what they happened | D．what they have happened |
相关试题
—Do you know that Mrs. Obama came to China with her mother and two daughters?
—Yes. And it is their ______ visit to China.
| A．one | B．first |
| C．the first | D．once |
—Have they found the lost flight MH370?
—Not yet. I’m really ______ the people on the plane.
| A．worried about | B．angry with |
| C．careful of | D．afraid of |
—Eric, please turn down the music. ______ Lucy ______ Lily are sleeping.
—Sorry, I’ll do it right away.
| A．Neither, nor | B．Either, or |
| C．Both, and | D．Not only, but also |
—Mom, I’m afraid I can’t win the competition.
—Believe in yourself, my boy, and tell yourself ______.
| A．to give up | B．not to give up |
| C．to give away | D．not to give away |
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