题目内容

2.As long as you keep on_______ hard, you'll get promoted sooner or later.

A. work
B. .be working
C. worked
D. working

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3.It seems that the suggestion ______ at yesterday's meeting doesn't sound practical.

A. make
B. made
C. to be made
D. making

4.Tell Mary that there's someone_______for her at the door.

A. waiting
B. waited
C. waits
D. to wait

5.There is a big dog_______to a fence outside the house.

A. tying
B. tied
C. to tie
D. ties

6.The_______waiter came up to us and said,"You are welcome."

A. smiling
B. smiled
C. smile
D. to smile