Our duty is to ______ their country against both domestic and foreign enemies’ attack.
| A．delay | B． defend | C．defeat | D．depend |
A company ______profits from home markets are declining may seek opportunities abroad.
| A．which | B．whose | C．who | D．why |
It’s standard practice for a company like this one______ a security officer.
| A．employed | B．being employed | C．to employ | D．employs |
—Is Anne coming tomorrow?
—_____.If she were to come, she would have called me.
| A．Go ahead | B．Certainly | C．That’s right | D．I don’t think so |
It is difficult for us to imagine_____ life was like for slaves in the ancient world.
| A．where | B．what | C．which | D．why |
There is a note pinned to the door______ when the shop will open again.
| A．saying | B．says | C．said | D．having said |