Thanks to Mr. Wang. He kept ________ us to remember the important things.
A. to ask
B. asking
C. to be asked
D. not asking
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Our maths teacher is used to ________ in his own car in such heavy traffic.
A. driveing
B. driving
C. drive
D. drove
There was a wallet ________ on the ground.
A. lay
B. lying
C. was lying
D. was laying
We spent two years and a half ________ that factory.
A. built
B. building
C. to build
D. build
Mother came into the room, ________her children.
A. followed by
B. to be followed by
C. having followed
D. being followed