can you see ____?No.Let's go and have a look .
问题描述:
can you see ____?No.Let's go and have a look .
-can you see ____ ?
-No.Let's go and have a look .Maybe we can help them.
A.what was going on there B.what are they doing there
C.what were they doing there D.what is going on there(请说明)
答
选第四个.
what are they doing表示他们正在做什么.
而第四个表示有事情发生.