I can think of many cases students obviously knew a lot of English words and expressions but couldn' t write a good essay.
——It's too hot today.Will it rain tomorrow? ——I would rather it tomorrow.
To be honest,the scientisttounknown to me.
——I'm sorry to have broken your pen.I didn't mean it. ——.I've got a new one.
With all these attractions ,it's ___ that tourism is increasing wherever there is a Disneyland.
The teacher was satisfied __the progress he had made,because he rid himself ___ being lazy and careless.