At the important conference, men must wear a jacket and tie ________, women must wear a skirt or dress, not trousers．

A．Especially

B．Necessarily

C．Similarly

D．Possibly

－Can I call for some friends and spend the day outside with them, Mom?

－________?I’ve told you to have a weekend at will．

A．What for

B．Why not

C．How come

D．So what

He claimed ________ in the supermarket when he was doing shopping yesterday．

A．being badly treated

B．treating badly

C．to be treated badly

D．to have been badly treated

________ I accept that he is not perfect, I do actually like the person．

A．While

B．Since

C．Before

D．Unless

Bamboo grows very tall, like trees and yet it is hollow in the stem, which few trees ________．

A．do

B．are

C．like

D．grow

We have been told that under no circumstances ________ the telephone in the office for personal affairs．

A．may we use

B．we can use

C．we could use

D．did we use

After a new reform, the number of the products in the factory is now ________ it was in 2005．

A．larger than twice

B．twice more than

C．twice as large as

D．as twice large as

Without facts, we cannot form a worthwhile opinion, for we need to have factual knowledge ________ our thinking．

A．to base

B．to base on

C．which to base on

D．on which to base

If I had ________, I’d visit Europe, stopping at all the small interesting places．

A．a long enough holiday

B．an enough long holiday

C．a holiday enough long

D．a long holiday enough

When the clock struck twelve, they quit ________．

A．to work

B．working

C．worked

D．being worked