have been
since要用现在完成时
你跟Alice熟么?是的,自从去年夏天我们在西安见面后就成为朋友了.
Do you know Alice is well?yes,she and I____(be) friends since we met in Xi'an last summer.
Do you know Alice is well?yes,she and I____(be) friends since we met in Xi'an last summer.
be的适当形式填空
be的适当形式填空
英语人气：325 ℃时间：2019-09-16 19:29:05
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