-- Jane, what do you think of Mr Green？ -- As ______ teacher, he ought to set ______ good
A. the; a
B. a; a
C. a; the
D. /; the
A．behindB．afterC．slowD．later
A. behind
B. after
C. slow
D. later
lWhy are Valentine boxes used on Valentine's Day？
A. To put homework in.
B. To put books in.
C. To put valentine cards in.
我国人民民主专政的阶级基础是（）
A. 工、农、商、学、兵联盟
B. 工人阶级、农民阶级、城市小资产阶级的联盟
C. 工人阶级、农民阶级、民族资产阶级的联盟
D. 工农联盟
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