________ the right decisions ________ the future is probably the most important thing we’ll ever do in our lives．

A．Making; concerned

B．Make; concerning

C．To make; concerned

D．Making; concerning

All the children are busy going over their lessons as the final exam is ________．

A．along the way

B．in the way

C．on the way

D．by the way

Don’t interrupt me．I ________ letters all morning and have only finished five．

A．write

B．have written

C．have been writing

D．am writing

I would appreciate ________, to be frank, if the goods could be delivered as soon as possible．

A．you

B．it

C．that

D．myself

They no longer have to ________ large numbers of temporary workers to do the harvesting．

A．take on

B．hire on

C．work on

D．carry on

________ many times, but he still couldn’t understand it．

A．Having been told

B．Though he had been told

C．He was told

D．Having told

It is _______ to read the books our teacher recommended, for they are well ________ reading．

A．worthy; worthwhile

B．worth; worthwhile

C．worthwhile; worthy

D．worthwhile; worth

He was so ________ a key university that he would work until late into the night．

A．curious about

B．anxious about

C．desperate for

D．concerned about

________ the floor, I found his pen lying on the ground．

A．While sweeping

B．While swept

C．If sweeping

D．If swept

They urged that the library ________ open during the vacation．

A．must be kept

B．is kept

C．would be kept

D．be kept