___meet his sister at the railway station,he had to get up early.[ ]

I started off to walk, but Peter gave me a lift— Therefore, you _____ after all

It’s the gases ___ natural gas and the burning of coal give off ____ add to the overheating of the earth.

With a label ________ to each luggage，it is easy for passengers to recognize their own luggage[ ]

For the Turner sisters and their classmates，taking a part­time job might ______ their time for study.