一、从下面每小题的A、B、C、D四个选项中选出可以替换划线部分的最佳选项。

（ ）1. I said hello to Mr Wang, but he didn’t respond.

A. repeat    B. reply   C. smile   D. say

（ ）2. Nearly all the passengers died in the accident.

 A. Almost     B Actually     C. Possibly       D. Very  

（ ）3. There were hundreds of students in the playground. It was noisy.

A. full of people B. full of noise C. popular D. exciting

（ ）4. My grandmother is ill, so my mother is caring for her.

A. looking for B. looking at C. looking into D. looking after

（ ）5. Mary is a common English name.

A. normal   B. simple   C. different    D. difficult

（ ）6. Last night, he didn’t sleep until 11 o’clock.

 A. unless   B. when     C. till     D. by