英语全倒装和部分倒装习题疑难解答
Not only___us light,but it also gives us heat.
A.the sun gives B.the sun has given
C.has the sun given D.does the sun give
要用部分倒装,答案C和D分不清楚.正确答案选D,为什么不选C呢?两者的具体用法?