—Mr. Robert, I’d like to take a gap year to volunteer for a global anti-Aids campaign.
—That’s great, ______ you can afford the time.
A.provided that B.in case C.even if D.so that
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
