rewrite the following sentences using whatever cohesive device is appropriate什么意思?
问题描述：
rewrite the following sentences using whatever cohesive device is appropriate什么意思?
给出的句子是
1.what will happen if I enter the room?What if I enter the room?
2.a.What have you been doing
b.I have been reading What have you been doing "Reading"
答
缩短句子,不论什么办法.只要合适,就是不改变意思.