—I think it’s very dangerous to drive six hours without a rest.—I agree. Six hours           really a very long time.
#59315
A
has
B
is
C
were
D
am
推荐题目
After a short rest, the soldiers keep on _________ till midnight.
#57959
A
work
B
working
C
to work
D
to working
Tom is lazy .You can’t ______him _________ the bedroom everyday.
#56266
A
show;to clean
B
suit;clean
C
expect ;to clean
D
expect;cleaning
 Turn off the water while you ________ your teeth or washing your hands.
#52150
A
were brushing
B
brush
C
are brushing
D
brushed