there is/are,there isn't/aren't,there wes/were,there wasn't/
there is/are,there isn't/aren't,there wes/were,there wasn't/
用There is/are,There isn't/aren't,There was/were,There wasn't
请你用there is\isn'there are\aren't there was\wasn't there were
请用There is/are,There isn't/aren't,There was/were,There wasn'
选择恰当的选项填空 there is,there are,there aren't,there wasn't,there
fill in there is/there isn't/ls there/there are/there aren't
用“there is,there are,there are't,there wasn't,there were,the
关于there is/there isn‘t和there are/there aren’t发音的区别
There aren,t 和There isn,t
there aren't=there isn;t?
用所给词填空.用there is,there isn't,is there,there are,there aren't
用There is(isn't) 或 There are (aren't)填空