－Is Jack on duty today?

－It ________ be him．It's his duty tomorrow．

A．mustn't

B．won't

C．can't

D．needn't

－Did Linda see the traffic accident?

－No, no sooner ________ than it happened．

A．had she gone

B．she had gone

C．has she gone

D．she has gone

Never before ________ in greater need of modern public transport than it is today．

A．has this city been

B．this city has been

C．was this city

D．this city was

Engines are to machines ________ hearts are to animals．

A．as

B．that

C．what

D．which

－Could you do me a favour?

－It depends on ________ it is．

A．which

B．whichever

C．what

D．whatever

(经典回放)We were in ________ when we left that we forgot the airline tickets．

A．a rush so anxious

B．a such anxious rush

C．so an anxious rush

D．such an anxious rush

I'd like to arrive 20 minutes early ________ I can have time for a cup of tea．

A．as soon as

B．as a result

C．in case

D．so that

(经典回放)Roses need special care ________ they can line through winter．

A．because

B．so that

C．even if

D．as

His plan was such a good one ________ we all agreed to accept it．

A．as

B．that

C．so

D．and

The new school is ________ the old one．

A．three times as large as

B．as three times large as

C．as large as three times

D．as three times as large as