“Not all my friends smoke” means :____.A．None of my friends smokeB．All my frien

题型：不详难度：来源：

“Not all my friends smoke” means :____.

A．None of my friends smoke	B．All my friends smoke
C．Some of my friends smoke	D．My friends don’t smoke

答案

解析

略

举一反三

– Are you cleaning my room?
– I can’t help _____．I can’t bear seeing people’s room in a mess!

A．it

B．this

C．anything

D．so

题型：不详难度：| 查看答案

The motto for the scientific park makes _______ clear that science and business must work together to build the future.

A．that

B．it

C．this

D．one

题型：不详难度：| 查看答案

_______ is no need to worry if you have never skied before.

A．It

B．That

C．There

D．This

题型：不详难度：| 查看答案

His father feels ___ his duty to help others.

A．this

B．it

C．that

D．what

题型：不详难度：| 查看答案

---There must be a dozen pens in this house but I can never find one when I need one.
--- Keep looking. ____ is sure to turn up.

A．one

B．it

C．that

D．that

题型：不详难度：| 查看答案