---Let’s go and play football,__________?---That’s wonderful.
A. will you
B. do you
C. won’t you
D. shall we
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---The boy has to stay at home to look after his little sister,_______?---Yes, because his mother has gone shopping.
A. does he
B. is he
C. doesn’t he
D. hasn’t he
----____________?---The one behind the tree.
A. Whose girl
B. Who’s that girl
C. Which girl
D. Where’s the girl
______the population of china?
A. How many
B. How much
C. How’s
D. What’s
特别是()纪地层,绝大部分都是变质岩,世界大部分铁矿都储存于此。
A. 奥陶
B. 侏罗
C. 前寒武
D. 第四纪