—People often don't appreciate what they have, do they?
—No, _________ they lose it．
| A．if | B．after | C．until | D．when |
A lock ___ locking a door.
| A．is used to | B．used to | C．is used for | D．is used into |
Have they all heard the ___ news about the football match?
| A．excited | B．excite | C．exciting | D．being excited |
-What do you think of the party?---It is, of course, ___.
| A．wonderful | B．well | C．wonderfully | D．very happy |
---I’ve lost my wallet and my I.D card.---_____ to hear that
| A．I’m glad | B．I’m sorry | C．I’m going | D．Nice |
The teacher asked us to learn all these verb forms __ heart.
| A．in | B．at | C．by | D．to |