----Who______ it be that is knocking at the door?
----It ______ be Father, but I’m not sure.
| A．can; must | B．must; can | C．can; may | D．may; must |
______ for the boy to talk with his mouth full!
| A．What bad manners they are | B．How bad manners they are |
| C．What bad manners it is | D．How bad manners it is |
Lucy has a great sense of humour and always keeps her colleagues with her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |
He explained to the class what he suggested ____ his idea ____．
| A．to make, accepted | B．making, agreed to |
| C．should make, receive | D．make, passed |
Nancy, ________ for about half a year to apply for a job as an airline hostess, finally took a position at a shopping center.
| A．struggled | B．having struggled | C．struggling | D．to struggle |
John as well as the other staff members who ______ working with this world-famous company ______ to attend its 100th anniversary.
| A．is… is | B．is… are | C．are… is | D．are… are |