1.When I entered the room, Tom ________piano.
A. plays
B. played
C. is playing
D. was playing
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At this time last night I ________TV.
A. was watching
B. watched
C. am watching
D. have watched
When we reached the top of mountain, the sun _______.
A. was shining
B. shines
C. is shining
D. has shined
The sun _____ around the earth.
A. moved
B. is moving
C. was moving
D. moves
There _____ a telephone call for my brother Steven yesterday?
A. is
B. are
C. was
D. were