6.The_______waiter came up to us and said,"You are welcome."
A. smiling
B. smiled
C. smile
D. to smile
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7._______the early train,you'll have to get up early and rush in a taxi.
A. Catching
B. Caught
C. To catch
D. Catch
8.There,in the corner,sat three girls,_______.
A. sew
B. were sewing
C. to sew
D. sewing
9.The power station keeps the villages ______ with electricity.
A. supplied
B. to supply
C. supplying
D. having supplied
10.The path in the park looked beautiful, _______ with_______leaves.
A. covered; falling
B. covered; fallen
C. covering; falling
D. covering, fallen