The reason ________ he failed again was ________ he was careless．

A．that; because

B．that; why

C．why; that

D．why; because

This is the second time he ________ the Great Wall．

A．visited

B．had visited

C．has visited

D．visits

The journalists were sent to ________ the important event．

A．have

B．refer

C．connect

D．cover

The air of the country is cleaner than ________ of a city．

A．those

B．it

C．that

D．one

Peter's jacket looked just the same as Jack's, but it cost ________ his．

A．as much twice as

B．twice as much as

C．much as twice as

D．as twice much as

The shy girl wore a ________ look when she could not answer her teacher's questions．

A．amazed

B．embarrassed

C．curious

D．amused

Like some of my classmates, I didn't live up to my teachers' expectations; ________, I let them down．

A．in other words

B．after all

C．in one word

D．more or less

I often have conversations with John over ________ phone, but keep in touch with Tom by writing ________ letters．

A．the;/

B．/; a

C．/; the

D．the; a

“The interest ________ be divided into five parts, according to the agreement made by both sides,” declared the judge．

A．must

B．should

C．shall

D．may

The failure to find a satisfactory job after graduation pushed Liu Qian to ________ magic as a career．

A．make up

B．put up

C．set up

D．take up