—When did the computer crash?—This morning，while I ________ the reading materials downloaded from some websites.(2012·福建)
#99575
A
have sorted
B
was sorting
C
am sorting
D
had sorted
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--- Is there any possible way to help them get rid of such a bad habit?--- To tell the truth, it’s very hard. But we on this problem trying to improve the situation.
#104873
A
worked
B
had worked
C
are working
D
had been working
Frank, with his two sisters, _____London by train which _____at 8:30 next morning.
#100198
A
is leaving for; will leave
B
are leaving for; leaves
C
is leaving for; leaves
D
will leave for; will leave
Up to now, the family’s business ______good. I hope our good luck will continue.
#101682
A
is
B
was
C
will be
D
has been
Jack could have avoided that terrible car accident, but he ________ careful enough.
#102254
A
is not
B
hasn’t been
C
was not
D
hadn’t been