10.There are times when such things are necessary,______?A.are there\x05B.aren’t thereC.are they\x05D.aren’t they选什么?为什么?

10.There are times when such things are necessary,______?A.are there\x05B.aren’t thereC.are they\x05D.aren’t they选什么?为什么?
10.There are times when such things are necessary,______?
A.are there\x05B.aren’t there
C.are they\x05D.aren’t they
选什么?为什么?

10.There are times when such things are necessary,______?A.are there\x05B.aren’t thereC.are they\x05D.aren’t they选什么?为什么?
there be句型,反意疑问句还是there be句型
前肯后否
所以选B
还有问题的话,欢迎追问

10. There are times when such things are necessary, ____B__?
A. are thereB. aren’t there
C. are theyD. aren’t they

选B
反义疑问句的句式。陈述部分为There (Here) + be + 主语时，问句部分用动词+there(here)?形式