[ Grammar ]
Ocean currents……play an important part in regulating global climate.
A. are know to
B. thought to
C. are believed that they
Select your answer:
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Grammar › ViewA : I’m very worried.
B : Look, if she __________ by 9 o’clock, I’ll go out and look for her.
A. isn’t calling
B. hasn’t called
C. didn’t call
Grammar › View
Do you think that hobby is and boring?
A. easy
B. difficult
C. danger
D. interesting