A. that; what B. what; that C. what; what D. that; that
A. light travels B. travels light C. does light travels D. does light travel
A. If it is not B. Had it not been C. Were it not D. If they were not
A. So did I B. So I did C. So were you D. So did you
A. I have left B. have I left C. I did feel D. did I feel
A. the teacher himself is; all his students are B. the teacher himself is; are all his students C. is the teacher himself; are all his students D. is the teacher himself; all his students are
A. until B. that C. then D. so
A. I don’t know he was B. Yes, it was C. No, he wasn’t D. Yes, he did
A. it you B. not you C. you D. that yourself
A. who B. that C. how D. what
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