(2012·辽宁高考)This machine is very easy ________. Anybody can learn to use it in a few minutes.
#89010
A
operating
B
to be operating
C
operated
D
to operate
推荐题目
They decided ___ the procession, but they were not permitted to.
#98692
A
taking part
B
to take part
C
taking part in
D
to take part in
You can spend your free time in our library.There is a reading room ________ more than 600 students.
#88831
A
seats
B
to be seated
C
seated
D
seating
The girl looked at me with a _______expression. Maybe the problem was quite ______.
#95397
A
puzzled; puzzling
B
puzzling; puzzled
C
puzzled; puzzled
D
puzzling; puzzling
The rescue team has saved more than ten people________under the collapsed buildings since the earthquake occurred in Ya’an.
#88439
A
trapping
B
to be trapped
C
trapped
D
having trapped
AIDS is said _______ the biggest health challenge to both men and women in that area over the past few years.
#90891
A
that it is
B
to be
C
that it has been
D
to have been