His health is ______improving. I'm sure he will come back to work soon.
A. gradually B. frequently C. fluently D. finally
—Did the naughty boy break the glass by chance?
—No, ______.
A. of course B. on purpose C. by hand D. for pleasure
They______ with each other for two years before they got married.
A．had fallen in love B．got in love C．had been in love D．fell in love
It has something to do with the part electricity ______ in our life.
A. plays B. gives C. takes D. makes
After graduation he took all his works to London ______ get a good job there.
A. so that B. in order that C. in order to D. as to
As soon as the crew(船员) were attacked, the police______ to look into the matter.
A. set down B. set out C. set about D. set up
