Time waits for no man. But teenagers won’t realize the value of time until it’s gone. Don’t waste your time, you will regret it.A. and B. or C. but
The stones are so heavy. How _____ they _____ to the top of the building without modern machines?
No free plastic bag in the supermarket helps to _____ white pollution.
The young man broke his arm in the accident and had to _____ his job.
We _____ walk in the park after supper, talking about all _____ we were interested in.
---I feel tired and sleep y . ---Why not for a while ?.