It was only after World War II had drawn to a close ______ in the United States.
A.did the baby boom begin | B.that the baby boom began |
C.when the baby boom began | D.then the baby boom began |
________ is known to us, May 12, 2008 was the day _______ Wenchuan earthquake happened.
A.Which; on which | B.It; when |
C.As; which | D.As; when |
They _________ have arrived at lunchtime but their flight was delayed.
A.will | B.can |
C.must | D.should |
China is one of the countries ________ the Mekong River flows.
A.in which | B.by which |
C.across which | D.through which |
He was _________by his colleagues though he himself didn’t think he had done anything special.
A.thought little of | B.thought poorly |
C.thought highly of | D.thought highly |
It was reported that a chemical factory________ last night, which killed thirty workers.
A.exploded | B.cracked |
C.ruined | D.burst |