---- Have you been here before?
---- This is the second time I ______to the Great Wall.
| A．comes | B．have been | C．came | D．had come |
______ her hard work, she succeeded in passing the exam.
| A． On account | B． Owing to | C． As a result | D． Because |
Jenny pushed the door again to ______ it ______.
| A． make sure if; was closed | B． make sure that; was locked |
| C． found out it; was shut | D． find out that; was open |
The teacher suggested _____ that we should make the most of time to study English well.
| A． us | B． to us | C． we | D． for us |
He said he would prefer ______ others rather than ______ by others.
| A． to help; to help | B． to help; be helped |
| C． helping; helped | D． helping; to be helped |
Employees who have worked here for many years will be given ______ over newcomers.
| A． preference | B． prejudice | C． promise | D． experience |