Despite the fact that all three teams ________ different approaches to the problem, they were all immediate successes．
A．adopted B．attained C．adapted D．attached
This machine is very easy ______. Anyone can learn to use it in a few minutes.
A. operating B. to be operating C. operated D. to operate
Every minute must be made full use _______ in class.
A. of studying B. to study C. to studying D. of to study
While these activities might cause laughter ______ respect, in reality they require an enormous amount of strength.
A. more than B. rather than C. other than D. less than
You can imagine what great trouble we had ______ the new school.
A. setting up B. to set up C. set up D. to setting up
The Chinese government has passed a new regulation forbidding supermarkets and stores to ______ free plastic bags to shoppers in order to protect the environment.
A. give off B. give in C. give up D. give out
