He studied hard, _____ the exam.
| A．aim at passing | B．aiming passing | C．aiming at passing | D．aim to pass |
—You are confident about the job interview , aren’t you?
—_____.I’m well prepared and feel I’ve got everything they need.
| A．sure, I am | B．It’s hard to say |
| C．I hope so | D．Well, maybe |
Over the past 20 years, the Internet helped change our world in _____way or another for the better.
| A．any | B．one | C．every | D．either |
Try on this red skirt; you will look great _____it.
| A．on | B．by | C．in | D．for |
----That kind of computer is far too expensive.
----- I’ll buy one, ______ .
| A．though | B．so | C．either | D．too |
----Greg should have left the party an hour ago.
------ yes, I keep telling him to go, _____ he stays any way.
| A．because | B．but | C．instead | D．however |