-Look ! There is a hole the wall. The mouse must run away from here.-I think so. If there is not a picture the hole, we can easily find it.
Why not _______ your teacher for advice when you don’t know _______ the problems?
She has so________ close friends that she really doesn’t know _________.
---I find _________ hard _________ me to understand his handwriting.---It’s polite _________ you to say so. His handwriting is too bad.
— It is reported that both of _______ two kids were saved out of the river by _______ university student.— True. He was really brave, wasn’t he?
—The boy’s father failed to find a job. ______. He got a cancer.—How sad! We should give him a hand.