Daniel has undertaken to keep the secret, so he won’t tell anyone even though ______.
A.asked to keep B.to be asked C.to ask D.asked to
There have been widely differing ______ in the newspapers about the explosion of the chemical works.
A.revisions B.versions C.dimensions D.editions
—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
