We ________ at the airport, otherwise we would have been here by lunch time．

A．delayed

B．would delay

C．had been delayed

D．were delayed

We have ________ world that is full of beauty, light and promise．Why waste time looking for ________ bad, disappointing or annoying?

A．the; the

B．a; the

C．a; a

D．the; a

The boy wanted to ride his bicycle in the street, but his mother told him ________．

A．do not to

B．not to do

C．not do it

D．not to

The computer was used in teaching．As a result, not only ________, but students became more interested in the lessons．

A．saved was teachers' energy

B．was teachers' energy saved

C．teachers' energy was saved

D．was saved teachers' energy

You can't imagine what difficulty we had ________ home in the snowstorm．

A．walked

B．walk

C．to walk

D．walking

She is very to us．We have been prepared to do ________ it takes to save her life．

A．whichever

B．however

C．whatever

D．whoever

The play ________ next month aims mainly to reflect the local culture．

A．produced

B．being produced

C．to be produced

D．having been produced

The total population of China ________ about 1300 million on January 6, 2005．And about eighty percent ________ still farmers．

A．added up, is

B．was; are

C．were; are

D．rose; is

The news reporters hurried to the airport, only ________ the film stars had left．

A．to tell

B．told

C．telling

D．to be told

It is in this small town ________ he used to work ________ this kind of fertilizers is made．

A．that; where

B．where; that

C．that; that

D．which; where