there is so much work_____today would you be kind enough to lend _英语解答

there is so much work_____today would you be kind enough to lend me a hand?
A,having done B,to be done C,being done D,will be done
为什么选B而不选D.

人气：243 ℃　时间：2019-08-19 08:43:27

解答

B,to be done
因为一个句子只有一个谓语.
there is 已经有谓语了,后面的将来时,要改成不定式.