Parents always tell children to stay away from the fire.A. keep on B. keep out C. keep off
The government will_______ more colleges for more students to receive higher education.
---Do the Smiths live next door to you? ---No, but they _________.
— ______ go to the theatre together with me? — Good idea!
–– When did they arrive? –– They ______two hours ago .They ______ here for two hours .
----It’s important_____ a foreign language. ----I agree with you. We should study hard.