题目内容
--- Thank you for _____ me with this heavy box.
--- You are welcome.
--- You are welcome.
A.helping | B.to help | C.help | D.helped |
A
for后面一般接名词或动名词表示目的原因等,所以选A.
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题目内容
A.helping | B.to help | C.help | D.helped |