_______ time going on, Einstein’s theory _________ to be correct．

As; proved

With; proved

With; proving

As; was proved

It is said that _________ of the land in Zhangzhou _________ covered with trees and grass．

three fifth, is

three fifth, are

three fifths, is

three fifths, are

Hawking became world-famous in ________．

his twenties in the 1970’s

the twenties during the 1970

his twenties in 1970’s

the twenties in his 1970

A clean environment can help the city bid for the Olympics, which _________ will promote its economic development．

in nature

in return

in turn

in fact

_________ and happy, Tony stood up and accepted the prize．

Surprising

Surprised

being surprised

To be surprising

I still remember the day _________ we spent together in the city．

when

where

/

what

To go to bed early and to rise early _________ a good habit．

was

were

are

is

He came to a farm, __________ he finally settled．

in which

of which

for which

on which

There has no doubt that

There is no doubt that

It is no doubt that

It is no need that

China is a country _________ the third world．

belonging to

belongs to

belong to

be belonged to