非谓语动词专练(一)
1.Tell Mary that there's someone _______for her at the door.
A. waiting B. waited C. waits D. to wait
2.There is a big dog _______to a fence outside the house.
A. tying B. tied C. to tie D .ties
3.The_______waiter came up to us and said, "You are welcome."
A. smiling B. smiled C. smile D. to smile
4. _______the early train, you'll have to get up early and rush in a taxi.
A. Catching B. Caught C. To catch D. Catch
5.There, in the corner, sat three gi ...


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