Much to his surprise, he invited only twenty friends to the dinner, but ________ came．

A．twice as many as

B．as many as twice

C．twice as many

D．twice more than

Faced with trouble or difficulty, a person takes ________ help that is available．

A．whatever

B．whenever

C．wherever

D．however

Once education is made free, many children who have dropped out of school ________．

A．will come back

B．came back

C．have come back

D．had come back

________ for more than three months, but he did his best to catch up with his classmates．

A．Being ill

B．Having been ill

C．Though he was ill

D．He was ill

________ the world economy is in difficulty, ________ we can see, the people of China are full of hope．

A．As;不填

B．Because; which

C．Though; as

D．With;不填

I go ________ to the stadium when there's a game．But usually I watch it on TV．

A．typically

B．anxiously

C．frequently

D．occasionally

Mr．and Mrs Scott prefer a trip in a small town to ________ in so large a city as New York．

A．this

B．one

C．it

D．that

When I lived with my roommates in the university, we ________ often talk into the night．

A．might

B．could

C．should

D．would

－Is there any possible way to help them get rid of such a bad habit?

－To tell the truth, it's very hard．But we ________ on this problem．

A．worked

B．had worked

C．are working

D．had been working

Not until quite recently ________ that language is closely related to culture．

A．he realized

B．did he realize

C．had he realized

D．he did realize