I have resigned, and they have a free hand to appoint__________ they like in my place.
A.whenever B.however C.whatever D.whomever
This part of the book isn't very interesting, so I'm going to_________ it.
A.deny B.cancel C.skip D.digest
He flashed me a quick smile but rapidly swallowed it___________ he saw my expression.
A.when. B.unless. C.if D.until
A special committee of scientists___________ to study AI's effects on economy in the years ahead.
A.have established. B.will be established. C.are established. D.is establishing
___________ many different viruses, wildlife can potentially infect human beings and should be banned for trade.
A.To carry. B.Carried. C.Having been carried D.Carrying.
She and her best friend felt sad when they heard I__________ for New York the next day
A.had left. B.was leaving. C.left. D.has left.