_____, great changes have taken place in our hometown.

His great changes surprised us.

A．beat

B．sold

C．amazed

D．conformed

The great changes of the city astonished every visitor to that city.

A．attacked

B．surprised

C．attracted

D．interested

Great changes have taken place since then in the factory______we are working.

A．where

B．that

C．which

D．there

Scientists say that many factors ______ great changes in the weather.

A．brought about

B．brought on

C．brought up

D．brought forward

The past two decades have witnessed great changes in information technology(翻译)

You'll find that the community has ______ great changes since you were here last time.

A．submitted

B．sustained

C．perceived

D．undergone