ispenttwohourgoingshoppingittakesmetwohourtogoshopping对么
ispenttwohourgoingshopping
ittakesmetwohourtogoshopping
couldyouplacesweepthefloor的回答为什么是can或cann‘t,用could或couldn’t可以么?
在反义疑问句inwiateritseldomrainsorsnows,doesit?为什么是doesit,而不是doesn‘tit
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