Before 2008 we will finish _______ the O_爱下问搜题

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问题选择题

Before 2008 we will finish _______ the Olympic Park.

A. build
B. built
C. building
D. to build

答案

答案：C

选择题

We had to spend three more hours waiting in ______cafe at the airport because _______ flight was delayed.

A．a; the

B．不填; the

C．the; 不填

D．a; a

问答题简答题

试写出5种抑制细菌蛋白质合成的抗生素。