Susan _______ her friend’s invitation, for she has an important meeting to take part in.
A. cut down B. pulled down C. turned down D. wrote down
--Did you hear someone knocking at the door just now, Tom?
--No, I _______ TV with my friend in my bedroom.
A. was watching B. watched C. am watching D. watch
Be confident, everyone. We _______ finish the difficult task on time without other’s help.
A. can B. need C. must D. should
I won’t _______ working hard on the English test even if I fail it.
A. enjoy B. regret C. consider D. practice
Our basketball team won’t win the match _______ we work together.
A.if B.since C.while D.unless
假定你们学校下周将举行以“Keep Our School Clean”的英语演讲比赛，请你写一篇80词左右的演讲稿。参考词语:duty, spit, should, throw, try one' s best
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