Great as Newton was, many of his ideas _______ today and are being modified by the work of scientists of our time.
A.are to challenge | B.may be challenged |
C.have been challenged | D.are challenging |
It is usually cool in April in Chongqing, but it sometimes ______ be rather hot for a few days.
A.can | B.must | C.shall | D.ought to |
Two decades ago this city was ______ but a small unknown town.
A.something | B.anything | C.everything | D.nothing |
—Why didn’t you go to Shelly’s birthday party yesterday evening?
—I ______ but I had an unexpected visitor.
A.intended to | B.had intended to | C.was intended to have | D.had intended to have |
He didn’t attend the competition ______ he was ill at the time.
A.in that | B.in which | C.where | D.when |
After the earthquake, the poor girl was found ______ under the ruins of a church.
A.burying | B.to be buried | C.buried | D.being buried |