Tom, ________ a brave boy; pains mean growing up．

A．be

B．is

C．to be

D．being

________ American teacher who is coming will give ________ talk about Hollywood．

A．An; the

B．The; a

C．The; 不填

D．An; a

We should firstly consider ________ it is proper to have a meeting immediately．

A．that

B．whether

C．what

D．when

Chinese drink ________ milk per person today as they did in 2000．

A．twice more than

B．more than twice

C．twice as much

D．as much as twice

________ a cold morning, I opened the window and found that it was snowing outside．

A．By

B．In

C．For

D．On

Have you ever picked some beautiful vegetables for your dinner salad ________ that they are extremely bitter?

A．found

B．finding

C．to find

D．find

Not ________ with the quality of your goods, I will certainly not advise others to buy them．

A．being impressed

B．impressing

C．impressed

D．having impressed

Although this ________ sound like a simple task, great care is needed．

A．must

B．may

C．should

D．shall

Once ________ the forest, you ought to remain ________ you are waiting for help．

A．losing; where

B．losing; there

C．lost; there

D．lost; where

Prices climbed high in 2011, with the monthly CPI figure ________ an 11-year-high of 6.9 percent in November．

A．hit

B．to hit

C．to have hit

D．hitting