_____ the students came from different countries, they got along quite well in the summer camp.
A . WhileB . Unless C . SinceD . Until
________ some people claim they can predict the future,there is no scientific basis behind it.
A . AsB . OnceC . whileD . Because
As long as I can remember, ___________I called, his wife would answer the phone.
A . howeverB . wheneverC . whateverD . whichever
it is expected that students come to university with the ability to take good care of themselves,this is not always the case.
A . WhenB . WhileC . ForD . As
It may be worth trying _______ the effort makes you uncomfortable.
A . even ifB . as thoughC . in caseD . now that
One can always manage to do more things, no matter __________full one's schedule is in life.
A . howB . whatC . whenD . where
—Shall we turn to the boss for a longer holiday?
—He'll probably say no, ________ it's worth asking.
A . soB . whileC . unlessD . though
_______ difficult the task may be, we must finish it on time, because we can't meet such a precious opportunity _______ we have expected.
A . Whatever; thatB . However; asC . However; thatD . Whatever; which
Henry has decided to get a ticket for Lady Gaga's concert ________ it means standing in a queue all night.
A . unlessB . as thoughC . untilD . even though
It is difficult for any of us to eat better, exercise more, and sleep enough,______ we know we should.
A . becauseB . even ifC . unlessD . before
hard you
try it, it is difficult to lose weight without cutting down the amount you eat.
Detective Sam Peterson told the journalists ________ they hadn't dismissed the idea that Justin was taken away by the aliens, they were looking into other possibilities.
A . whenB . whileC . unlessD . until
Contrary to popular belief, the ants, hardworking ________ they are, have their time for play.
A . becauseB . whileC . asD . where
_________ the Silk Road covered a huge distance ________ modern day Xi'an with the Middle East and Europe, today one area in particular is associated with the name of the Silk Road.