Do you know the difficulty the little girl had ________ to send her sick mother to the hospital in time?

A．on managing

B．to manage

C．having managed

D．managing

The novel, which is worth reading, is ________ the middle century in China．

A．set in

B．set up

C．set off

D．set aside

The pilot realized, ________ his horror, that the steamboat was sinking rapidly．

A．to

B．in

C．by

D．with

I’m sorry, madam, the pants are not ________ in your size．

A．individual

B．convenient

C．come

D．available

He was in bad condition, so the doctor ________ him to drink wine．

A．demanded

B．forbade

C．prevented

D．persuaded

They wanted to find a new plant which they believed ________ in the forest．

A．was existed

B．existing

C．existed

D．to exist

－I’m sorry, Mr．Smith．I’ve broken your glasses．

－It doesn’t matter, Mark, but you ________ careful．

A．must be

B．should be

C．must have been

D．should have been

The factories are encouraged to have the latest technology ________ the producing of the products．

A．to apply to

B．to be applied for

C．applying for

D．applied to

You’re getting too old for basketball．You’d better ________ table tennis instead．

A．pick up

B．take up

C．make up

D．keep up

________ the heart ________ a pump, he got his friends to know the importance of it．

A．Compared; to

B．Comparing; with

C．Comparing; to

D．Compared; with