---Excuse me, is this seat______?
---yes. Go ahead.
| A．occupied | B．flexible | C．temporary | D．vacant |
He was educated at the local high school, _________ he went on to Beijing University.
| A．after which | B．after that |
| C．in which | D．in that |
— Is there anything wrong. Bob? You look sad.
—Oh, nothing much. In fact, I ______ of my friends back home.
| A．have just thought | B．was just thinking |
| C．would just think | D．will just be thinking |
Choosing the right dictionary depends on ______ you want to use it for.
| A．what | B．why | C．how | D．Whether |
We all know that, _______, the situation will get worse.
| A．not if dealt carefully with |
| B．if not carefully dealt with |
| C．if dealt not carefully with |
| D．not if carefully dealt with |
--Can you read the sign, sir? No smoking allowed in the lift!
--_______.
| A．Never mind | B．Don’t mention it |
| C．Sure, I don’t smoke | D．Pardon me |