为什么选D
in such dry weather,the flowers will have to be watered if they___
a have survived
b would survive
c will survive
d are to survive
为什么不选C,有什么区别
参考答案:are的后面怎么可以加TO呢??
are 已经是个BE动词了
BE动词后面可以加ING可以加过去分词
in such dry weather,the flowers will have to be watered if they___
a have survived
b would survive
c will survive
d are to survive
为什么不选C,有什么区别
参考答案:are的后面怎么可以加TO呢??
are 已经是个BE动词了
BE动词后面可以加ING可以加过去分词