主持人：接下来让我们走进"有奖抢答"这一环节，请大家听好题!

　　巩固练习：

　　1. Be careful, _________ you will fall off the tree.

　　a. so b. or c. but d. and

　　2. Never give up, _________ you'll make it.

　　a. and b. but c. or d. yet

　　3. Lucy and Lily are twins. Lucy likes playing basketball, _________ Lily doesn't.

　　a. and b. as c. but d. or

　　4. Mr Brown knows little Japanese, _________ he can't understand the instructions(用法说明)on the bottle of the pills.

　　a. so b. or c. but d. for

　　5. My uncle doesn't have much money, _________ he always enjoys himself.

　　a. but b. so c. and d. or