1 . It is time that the government _____ measures to protect the rare birds and animals.

A．takes

B．to take

C．take

D．took

2 . It’s time we _______ business.

A．got down for	B．getting down for
C．get down to	D．got down to

3 . It’s high time that we ______ action to stop selling polluted vegetables.

A．must take	B．take
C．took	D．will take

4 . It’s high time that you _____________ on your work at hand!

A．concentrate	B．would concentrate
C．concentrated	D．had concentrated

5 . —What courses are you going to learn next term?
—I don't know.But it's about time ________ on something.

A．I'd decide	B．I decided
C．I decide	D．I'm deciding