7. The innovations at the World's Fair were .
A. fascinating
B. fascinated
C. to fascinate
D. to be fascinated
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6. He ______ a letter to his friend last night.
A. had written
B. was written
C. will write
D. wrote
5.There was a burst of laughter ______ the joke.
A. followed
B. following
C. to be followed
D. being followed
4.______ on top of the hill, the field is a green gem.
A. Seeing
B. Seen
C. saw
D. to see
3. The girl handed everything _____ she had picked up in the street to the police.
A. which
B. in which
C. that
D. all