—What shall we do this Saturday?
— it rains, we’ll have a picnic in Century Park.
| A．if | B．Unless | C．Because | D．When |
He was born __________ a cold winter morning.
| A．on | B．at | C．in | D．for |
--- ______?
--- Yes, please. I need a sweater.
| A．Do you like trousers | B．How about the sweater |
| C．Can you help me | D．Can I help you |
Frank thinks math is easy, ______ I think it’s difficult.
| A．and | B．so | C．because | D．but |
--- What about ______ bread?
--- OK.
| A．eat | B．eating | C．to eat | D．eats |
I don’t eat ice-cream. I don’t want ______.
| A．fat | B．be fat |
| C．to be fat | D．too fat |