The situation will become worse and worse ________ the government takes actions to protect the environment.
A British high school is going to allow students________lessons in the afternoon. A.start B.starting C.to start
Don’t________what he said.I think we can try it again.
—Look!It’s raining heavily.________take a raincoat with you? —Well,I’ll take one right now.
You’d better take the map with you________you won’t get lost.
You don’t have to worry about me.I’m old enough to________myself.