试电笔的使用?
参考答案:
要点:检查外观、验电、判断被测体的电压范围
— _____ I hand in my homework now, Mr Zhao?
— No, you _____. You _____ hand it in tomorrow. [ ]
A. Shall; may not; have to
B. Can; mustn't; need
C. Should; can't; may
D. Must; needn't; can
—I went to Daming Lake yesterday. There were ______ people.
—Yes. Everyone wants to go out on such a good day.
A.too many
B.too much
C.many too
D.much too