—Do you think we can get there on time?
—Yes，_______ the truck doesn’t break down.
| A．even if | B．unless | C．until | D．so long as |
It is said that books on ______ popular science are in ______ short supply.
| A．the; a | B．/; / | C．/; the | D．the; the |
Don't sigh over the small achievement. _____, and I'm sure if you keep at it, you'll see the light at the end of the tunnel!
| A．Lookers-on see most of the game |
| B．Constant dripping wears away the stone |
| C．The world is your oyster |
| D．Lost time is never found again |
The doctor tried to laugh my brother ____ his fears about the coming operation.
| A．from | B．against | C．off | D．into |
—I like this dress better than that one.
— ____, but it costs almost twice____.
| A．So do I; as much |
| B．Neither do I; as many |
| C．So I am; so much |
| D．Neither am I; so many |
We shall not start the project until it ____ by the committee.
| A．will be approved | B．approves |
| C．has been approved | D．is to approve |