While we were listening to the teacher, I noticed Mingming ________ a picture.
A. drew
B. was drawing
C. drawing
D. to draw
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The film is very instructive. It is worth________.
A. seeing
B. to see
C. see
D. being seen
The number of the watches in the factory________.
A. are surprising
B. is surprising
C. is surprised
D. are surprised
Thanks to Mr. Wang. He kept ________ us to remember the important things.
A. to ask
B. asking
C. to be asked
D. not asking
Our maths teacher is used to ________ in his own car in such heavy traffic.
A. driveing
B. driving
C. drive
D. drove