单项选择题
—Idon’t like reading watchingTV.What about you?
—I don’t like reading all day, I 1ike watching TV plays.
A.and;but B.and;and C.or;and D.or;but
多项选择题 对于结构密实的()等材料,其体积可用外形尺寸计算。
多项选择题 材料的基本性质大致可分为()。
单项选择题 Itwas raining hard, ,thepeasants went on with their work. A.but B.and C.however D.although