3. I had a fear of height, and the higher I got, the ______ I felt.
| A．worse | B．better | C．bad | D．Good |
—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 |
The children were playing games on the playground, ________ school uniforms.
| A．all of them wore | B．all wearing |
| C．all of whom wearing | D．all were wearing |
It is written clearly in the requirements that all passengers ______ check onto board 30 minutes before the plane takes off.
| A．may | B．can | C．will | D．shall |
—I failed again. I wish I _________ harder.
—But you _________.
| A．had worked; hadn’t | B．worked; don’t |
| C．had worked; didn’t | D．worked; didn’t |
Drunk driving used to occur _______, but now it is under control.
| A．generally | B．frequently | C．practically | D．gradually |