I don’t have money or time in hand; _____, I can’t accompany you to the Parkson Mall today.
A．in a word B．in other words C．by the way D．in this way
In order to keep the balance of ecosystem, every possible means _______to deal with the problems of the over-exploiting of natural resources.
A．has tried B．has been tried C．have taken D．have been taken
We all thought that Betty could have run _______ if she had worn the sports-shoes that day.
A．even faster B．more slower C．much quickly D．still fastest
In that traffic accident last night the man who hit five people in a row had drunk so much that he could no longer_______ between fantasy and reality.
A．distinguish B．disguise C．disturb D．disgust
Mr. Andrew taught his students how to develop the basic skills in the physics class, ______ everything through jokes and experiments.
A．to explain B．explained C．explaining D．explains
Mr. Bryan is a/an _______ secretary in our office, for he is able to do tasks successfully, without wasting time or energy.
A．effective B．efficient C．flexible D．sufficient
