A man cannot smile like a child，________ a child smiles with his eyes，while a man smiles with his lips alone.
| A．so | B．but | C．and | D．for |
When he realized the police had spotted him, the man ____ the exit as quickly as possible.
| A．made off | B．made for |
| C．made out | D．made up |
The driver was at ___ loss when ____word came that he was forbidden to drive for speeding.
| A．a; / | B．a; the |
| C．the; the | D．/; / |
Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.
| A．where | B．when | C．that | D．what |
—We all had a lot of fun at the barbecue yesterday.Pity you weren’t there.
—I really should have gone with you but I _____ on some remaining problems.
| A．worked | B．was working |
| C．would work | D．would have worked |
—I can’t get on well with some of my classmates.They just leave me in the cold.
—________ But what’s the reason?
| A．Sorry to hear that. | B．How about that? |
| C．Don’t mention it. | D．Never give up! |