随堂测试题

I. 单项选择题：

1. Before you leave the computer room, make sure the lights are ______.

A. turned off               B. turn on

C. put out                 D. shut up

2. The thing that ______ is not whether you fail or not, but whether you try it or not.

A. matters              B. cares

C. considers             D. minds

3. With his son _____,, the old president felt unhappy.

A. to disappoint             B. to be disappointed

C. disappointing             D. being disappointed

4. She can’t help _____ the house because she’s busy making a cake.

A. to clean             B. cleaning

C. to cleaning           D. be cleaned

5. Mary is said _____ abroad., but I don’t know what country she studied in.

A. to have studied        B. to study

C. to be studying         D. to have been studying