1. “How often do you take the medicine ?”

　　“______ four hours.”

　　A. For

　　B. Any

　　C. Every

　　D. Each

　　【答案及解析】答案选 C。

　　2. “Is this bike yours?”

　　“No， it's ______.”

　　A. Bob

　　B. Bobs

　　C. Bob's

　　D. Bobs'

　　【答案及解析】答案选 C。

　　3. “Is there ______ good on TV this evening?”

　　"Sorry， nothing good. "

　　A. nothing

　　B. something

　　C. anything

　　D. everything

　　【答案及解析】答案选 C。肯定句中用something，否定句和疑问句中用anything.

　　4. You have a good suggestion， but it's not as practical as _______.

　　A. he

　　B. him

　　C. his

　　D. her

　　【答案及解析】答案选 C。

　　5. A chemist prepares his experiments carefully before trying to carry _____ in his lab.

　　A. it out

　　B. out it

　　C. them out

　　D. out them

　　【答案及解析】答案选 C。carry out 实施 宾格放在词组中间，名词放在词组后面。如，carry out his experiments.