We’ll have a picnic tomorrow. Do you know we will go for the picnic— How about riding bikes It must be fun.

Are the keys over there ______.—No. Go and ask Anna. They may belong to her.

with the exams, we shouldwork as hard as we can , weshouldn’t do it at the cost of our health

We can surely overcome these difficulties _,___ we are closely united

If you the library book，you wilt have to pay for it．