－She was late for the party．

－That's ________ she had forgotten the exact time．

A．why

B．how

C．because

D．whether

－I think it's going to be a big problem．

－Yes, it could be．

－I wonder ________ we could do about it．

A．if

B．how

C．what

D．that

You ________ drink it; it is poisonous．

A．can't

B．needn't

C．may not

D．mustn't

One ought ________ for what one hasn't done．

A．not to be punished

B．to not be punished

C．to not punish

D．not be punished

The old movie reminded them ________ the wonderful time they had spent together．

A．to

B．for

C．in

D．of

On April Fool's Day, our classmates played tricks ________ each other．

A．at

B．for

C．on

D．of

While in London, we paid a visit to the hospital founded ________ Florence Nightingale．

A．in honor of

B．in line with

C．in favor of

D．in place of

Mary stood still in front of a mirror, ________ on her mouth．

A．her eyes fixed

B．and her eyes fixed

C．and her eyes fixing

D．her eyes fixing

The wedding was to ________ at 9 o'clock but the bride didn't turn up until 40 minutes later．

A．be starting

B．start

C．have started

D．be started

In which play of Shakespeare's is it ________ Viola appears?

A．where

B．which

C．that

D．who