We need to conduct extensive background&nbs-考呗网题库移动版

单选题
We need to conduct extensive background research on the firms from__________ we received bids.

A． which
B． where
C． that
D． when

参考答案A

解析:
通过选项可以知道此题为选择恰当的关系代词的问题。介词from之前的结构为“主语+动词+宾语”，从而可以知道，from后面的部分为修饰先行词finns的关系代词从句。

单选题
The director decided to delegate some of the work to a subcontractor after his employees__________help with the project.

A． inquired
B． requested
C． asked
D． insisted

单选题
Employees to transfer__________ to the new branch office will receive reimbursements for
all moving expense, as well as a bonus.

A． direct
B． directed
C． directing
D． direction

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