[ Grammar ]
The astronaut __________ for years before the launch.
A. trained
B. had trained
C. was training
D. trains

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Grammar › ViewHe doesn’t mind walking in the snow because he ……… cold weather.
A. is used to
B. used to
C. use to
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They _______ movies all night. (watch)
A. were watching
B. have watched
C. had watched
D. have been watching
Grammar › ViewThe little girl asked what _______ to her friend.
A. has happened
B. happened
C. had happened
D. would have been happened
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The verb is the word that tells what the subject does. What is the verb of the sentence “The dogs run in the park”?
A. Run
B. Dogs
C. The dogs
D. Runs
