[ Vocabulary and Idioms ]
If we didn’t_______any measures to protect whales, they would disappear forever.
A. use
B. make
C. take
D. do

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Grammar › ViewWhich sentence is in the indicative mood?
A. Please sit down.
B. What is your name?
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Grammar › View
I told John not to drive, because he _____ all night.
A. drank
B. was drinking
C. had drunk
D. had been drinking
