单项选择题

案例分析题 24（）

A.contribute
B.contributed
C.contributes
D.contributing

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单项选择题

Passerby 1:（）. Is there a petrol station Passerby 2: Turn left at the end of this road. It’s on your right hand side.

A.Very good, thank you.
B.Not at all.
C.Please take it easy.
D.Are you all right
E.Excuse me.
F.Thank you!
G.Don’t take it so much to heart.
H.Coffee, pleas

填空题

A.second B.college C.physics D.physicist