题目内容

70（）

A. send
B. present
C. appoint
D. get

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Mary has a curious expression on her face as though she ______ about something.

A. is smiling
B. were smiling
C. smiles
D. has smiled

在固定资产投资构成中，建筑安装工程费用约占( )。

A. 40%～50%
B. 50%～60%
C. 60%～70%
D. 70%～80%

63（）

A. and
B. that
C. but
D. so

64（）

A. ago
B. later
C. before
D. after