—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
The food cooked the day before yesterday ______ bad. Throw it away.
#53341
A
is smelt terrible
B
is smelt terribly
C
smells terribly
D
smells terrible
—What class ____ your brother in?—He ____ in Class Two.
#55191
A
does; is
B
is; is
C
are; /
D
are; is
Look ! Mr Wang ______his students
#61893
A
talks to
B
talking with
C
talks with
D
is talking with
Granny often asked us _______ water in our daily life. 
#56026
A
save
B
saving
C
to save
D
saved
Look! Emma is_______ her bedroom. Her room is always_________.
#58894
A
clean, clean
B
clean, cleaning
C
cleaning, clean
D
cleaning, cleaning