问题描述:
—Do you know where my friend is?—I'm not sure.He ____ in the toilet.A.may Bmaybe C.be D.may be
Many birds fly away because plants die and insects hide __ coldness ___ winter.A.away;in B.from;in Caway;on D.from;on
Many birds fly away because plants die and insects hide __ coldness ___ winter.A.away;in B.from;in Caway;on D.from;on
问题解答:
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