In order for the experiment to be valid, it is ______ to record the data accurately.
A.essential B.confidential C.potential D.definite
We can judge one’s character by ______ he treats whoever can do nothing for him.
A.that B.what C.how D.when
If you ______ yourself to something unpleasant, you calmly accept that it will happen.
A.commit B.transfer C.apply D.resign
The Belt and Road Forum, ______ about 1000 experts have attended, focuses on the goal of promoting common development and prosperity.
A.where B.when C.that D.which
Do not sign any agreement until you ______ a lawyer or some other knowledgeable person to read it.
A.will ask B.have asked C.are asking D.will have asked
Unless you are content with what you have, you would not be satisfied even if it ______.
A.is doubled B.would be doubled C.will be doubled D.were doubled
