With few people ________ pigs, the price of pork ________．

A．rising; rises

B．raising; raises

C．rising; raised

D．raising; rises

When I arrived at home, my husband was lying on the floor, ________ the kids with toys．

A．entertains

B．entertaining

C．entertained

D．to entertain

The ________ expression on his face suggested that he was not able to work out the ________ problem．

A．puzzling; puzzling

B．puzzled; puzzled

C．puzzling; puzzled

D．puzzled; puzzling

Some parts in South China have experienced ________ this year as they did last year．

A．twice as much rain

B．rain twice as much

C．as twice much rain

D．twice rain as much

Hearing the boring news, I was too distracted(心烦意乱)to ________ my attention on my homework．?

A．attract

B．draw?

C．concentrate

D．pay

One of the teachers held the view ________ the book said was right．

A．that what

B．what that

C．that

D．whether

It was not until late in the evening ________ her husband arrived home．

A．which

B．when

C．that

D．how

Ladies and gentlemen, please fasten your seat belts．The plane ________．

A．takes off

B．is taking off

C．has taken off

D．took off

Robert is interested in ________ astronomy and he wishes he could make a trip into ________ space one day．

A．the; the

B．an; the

C．an; 不填

D．不填；不填

When I saw my teacher nodding ________ to me, I calmed down and went on with my performance．

A．encouragingly

B．amazingly

C．increasingly

D．accordingly