-What does this word mean, Joe? -().
A: Sorry, I don't know, either
B: Joe is a boy's name
C: Of course, I'm Joe
D: This word means Joe
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They had succeeded ()the task in time.
A: at completing
B: to complete
C: in completing
D: complete
Sixty million people who ()in rural areas are moving to cities every year.
A: lived
B: lives
C: living
D: live
It's wet on the ground. It ()yesterday evening.
A: must be
B: should be
C: must have rained
D: should have rained
-Can I help you with your suitcase? -().
A: I have no idea
B: No, no. I can carry it myself
C: That's a good idea
D: Thank you. I can manage myself