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1.Please show me ____to send an e-mail, John. It's the first time for me to do it.
A. how B. what C. when D. where 答案:A (选择C的同学要注意认真看题,这里的time不是时间,而是指第一次)
2 .______ the maths problem is difficult, I'll try very hard to work it out.
A. Though B. When C. Before D. After
答案:A (选择B的同学要注意语境.不能说当题目难的时候,我将努力.而是说尽管题目难,但我将努力解决.)
3. The accident took place ________ a cold February evening.
A. on B. in C. at D. for
答案:A (选择B的同学要注意,在特指的早上、下午、晚上,不用in要用on)
4. I don't know the homework _______ today.
A. on B. in C. of D. for
答案:D (选择C的同学要注意of表示从属关系,要注意中文的干扰.)
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