Measures have been taken to prevent accidents, but much ______ for more improvement.
A.remains to be done | B.is remained to do |
C.remains to do | D.is remained to be done |
— Are these seats available?
— Sorry, sir. The seats _____.
A.have reserved | B.are reserved | C.reserved | D.are reserving |
It is difficult for children to change their eating habit later in life. _____,parents should encourage healthy eating from an early age.
A.Otherwise | B.Therefore | C.Besides | D.However |
You have no chance of getting the position. I’m afraid you _____ your time if you apply for it.
A.waste | B.have wasted | C.have been wasting | D.will be wasting |
With economy developing at great speed, our city has _____ quite a few changes in recent years.
A.witnessed | B.accumulated | C.arisen | D.introduced |
Currently,many American women are still faced with the _____ of choosing between work and family commitments.
A.desperation | B.confusion | C.dilemma | D.concern |