A series of stimulus policies and supportive measures taken by the government ________ to promote change in the economic environment in this area.

A．are expecting B．are expected

C．is expecting D．is expected

Fighting an artificial greenhouse effect seems to be the greatest of environmental challenges, ________？

A．isn't it B．does it

C．doesn't it D．is it

________ about wild plants that they decided to make a trip to Madagascar for further research.

A．So curious the couple were

B．So curious were the couple

C．How curious the couple were

D．The couple were such curious

．No sooner ________ down on bed ________ the telephone rang.

A．had he lain; than B．had he lied; when

C．did he lie; than D．had he laid; before

The drug used to treat this disease causes bad side effects, some of which ________ deadly.

A．is B．are

C．was D．were

—Under no circumstances ________ the door to the Data Centre unlocked.

—I promise I'll be more careful in future.

A．you need to leave B．should you leave

C．need you leave D．you should leave

If a healthy environment is gone, ________ everything that our life depends on.

A．so is B．nor is

C．so does D．nor does

Whatever happens, Tom, ________ drugs.

A．doesn't take B．not take

C．not taking D．don't take

Don't you recognize him? Just look up. On the opposite wall ________.

A．does his photo hang B．hangs his photo

C．is hanging his photo D．is his photo hanging

On the small island, which is at the entrance to New York Harbor, ________.

A．the Statue of Liberty stands

B．stands the Statue of Liberty

C．does the Statue of Liberty stand

D．does stand the Statue of Liberty