题目内容
() 24. —Don't litter the ground,boy. Look at the sign：Rubbish into the dustbin.”
—Sorry.
A. has thrown B. was thrown
C. must throw D. must be thrown
24. D
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() 24. —Don't litter the ground,boy. Look at the sign：Rubbish into the dustbin.”
—Sorry.
A. has thrown B. was thrown
C. must throw D. must be thrown
阅读快车系列答案