Up to now, large quantities of food __________ to Africa to save the starving people.
| A．has been sent | B．have been sent |
| C．are sent | D．is sent |
Mrs. Black took the police back to ______ place ______ she witnessed the robbery.
| A． the same; as | B．the same; where | C． the same; that | D． as the same; as |
______ 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 |