Support structure under the Main St. bridge have corroded_________

单选题Support structure under the Main St. bridge have corroded__________ faster than the bridge's designer had predicted.

A．a lot
B．so too
C．very
D．real

参考答案A

解析:【答案】A。解析：句子要表示“快得多”的意思，因此可以修饰比较级的A为正确答案。

单选题Representatives from the two finns are currently __________ the middle of negotiations concerning a possible joint venture.

A．in
B．on
C．at
D．within

单选题While you are aboard the ferry, please __________ from smoking, eating, and drinking.

A．refrain
B．react
C．reverse
D．remark

单选题 Please__________ Ms. Merona to let her know that she can pick up her plane ticket to Toronto this afternoon.

A．conduct
B．confer
C．contact
D．concur