in the company for three years, Mark&nbs-考呗网题库移动版

单选题in the company for three years, Mark has become experienced in business negotiations. ______

A． Having worked
B． Have been worked
C． Have worked
D． Worked

参考答案A

解析:【答案】A。解析：根据“for three years”和主句中的现在完成时态可以推知，此处应该用现在完成时的主动形式。故排除B和D。根据句意可知，空格处所在分句在句中作原因状语，故排除C。因此答案为A。

单选题 We are happy at the good news______ Mr. Black has been awarded the Best Manager.

A． that
B． which
C． what
D． whether

单选题 There is no evidence______ he was on the site of the murder.

A． where
B． which
C． that
D． how

单选题 It was because of his good performance at the interview______ he got the job with the big company.

A． so
B． what
C． that
D． while