The new tax would force companies to __________energy-saving measures.
A. adapt B. adopt C. adjust D address
If the American government the expert’s suggestion, the world economy would not be in such a mess now.
A．followed B．follows
C．should follow D．had followed
He had hardly reached home _______ an unexpected guest came to visit him.
A．then B．when C．the moment D．than
Had they known what was coming next, they ___________ second thoughts.
A．may have B．could have C．must have had D．might have had
I don’t know how it ___________ that our car was bumped from behind.
A．let out B．gave out C．got about D．came about
—How do you like your trip to Hainan?
—________,I enjoyed it very much，although the weather was hot sometimes.
A．In addition B．On the whole
C．In other words D．On the other hand
