[ Grammar ]
What kind of verb is have? I have been waiting for an hour.
A. action
B. linking
C. helping/auxiliary

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Grammar › ViewWhich of the following sentences is NOT written in active voice?
A. Many scientists are studying the Loch Ness monster in Scotland.
B. Experiments were conducted by scientists on Lake Winnipeg, Canada.
C. Scientists have questioned some reports about the monster.
Grammar › View
He _____ go camping.
A. don’t
B. takes
C. doesn’t
D. take