----She looks tired. ----Yes, she _________ for about twelve hours a day. 
#44485
A
works
B
working
C
work
D
is working
推荐题目
The young man was often seen _____ by the lake.
#44716
A
to draw
B
to drawing
C
draw
D
drew
All the information _____ writing the report. 
#44725
A
is used for
B
is used to
C
is used as
D
is used by
Some new teaching buildings ____ in Shunyi last year. 
#44466
A
build
B
are built
C
built
D
were built