It's not what you do once in ________ while but what you do day in and day out that makes ________ difference．

A．the ; /

B．/ ; a

C．a; a

D．the; a

－It is ridiculous that John wants to make academic progress but never devotes any time to it．

－Maybe it's time for him to know________．

A．heaven never helps the man who will not act

B．he who makes constant complaint gets little compassion．

C．hope for the best, but prepare for the worst

D．It is easy to be wise after the event．

How much more expensive do you think a flat in a downtown area is than ________in a suburban area?

A．one

B．the one

C．that

D．those

Just before dark, they came to a house on the door of ________ was a plate with “John Smith” on it．

A．it

B．what

C．that

D．which

Does the suggestion sound reasonable that Smith ________ about his physical condition as soon as possible?

A．must be told

B．shall be told

C．should be told

D．may be told

Much disappointed as he is ________ in the job interview, he still keeps his confidence．

A．to have failed

B．failed

C．having failed

D．failing

It is vital to ________ to teenagers the simple fact that being addicted to the Internet will to some extent do harm to both mental and physical health．

A．get across

B．get through

C．get down

D．get over

Realizing that he ________late for school, Little Tom had none of the bread prepared by Mum and hurried out．

A．had been

B．might have been

C．was

D．would be

Summer is ________ great time for ________city break when you can explore ________sights at your ease．

A．a；a; the

B．a; the; 不填

C．a; a; 不填

D．the; a; the

Lee devoted ________ he has to the homeless children so that they could rebuild their homes after the earthquake．

A．which

B．whatever

C．no matter what

D．that