English is a language that many people around the world ____ not speak perfectly but ____ at least understand.
#89970
A
may; can
B
would; might
C
will; must
D
could; might
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I______Professor Jones had taught me this question. 
#89919
A
believe
B
deeply think
C
wish
D
suppose
— Lily is a happy girl, but today she seems in a bad mood. — Something ________ to her.
#88135
A
must happen
B
should have happened
C
could have happened
D
must have happened
—What caused the accident?—It was my fault, sir. I _____ to the left.
#89511
A
ought not to have turned
B
needn’t have turned
C
shouldn’t turn
D
couldn’t turn