In such dry weather , the flowers will have to be watered if they ____.In such dry weather , the flowers will have to be watered if they ____.A. have survivedB. are to surviveC. would surviveD. will survive答案選B,why?

熱心網友

be+ to do表將來,這句話意思是,這么干燥的天氣花要活的話就必須澆水.c和] d也表將來,但will最基本的意思是打算,計劃.并且would是過去時態不能用

熱心網友

選B，意思是將要發生的事，所以用be to do

熱心網友

be to do 表將來，可以表示一種命中注定將要發生的事。而此句正符合這個意思。

熱心網友

"be to do"表將來.