要看XXX的具體內(nèi)容了,如果是指物,就是these are.如果是指人,就是they are.
歡迎追問~~
為什么this is a XXX改復(fù)數(shù),有時改成these are 有時又改成they are?
為什么this is a XXX改復(fù)數(shù),有時改成these are 有時又改成they are?
其他人氣：215 ℃時間：2019-10-09 01:02:59
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