---Where are my pencils ?---_____.
--Would you like to ride bicycles with us tomorrow? --Yes,I’ll go_____ I’m free. A.becauseB. whenC. if
The old man warned us_____ here, it’s dangerous. A.swimB. not to swimC. not swim
Tom used to_____up late, but now hegets used to _____up early and do some exercise in the morning. A.get; to getB. getting; getC. get; getting
Michael was watching TV_____ his father came in. A.whenB. whileC. as soon as
--I heard the high-speed train between BeijingandTianjin ran_____350 kilometers a hour. --That’s right. I’m looking forward to _____it one day. A.at; takeB. at; takingC. by; take