The flu is believed ________ by viruses that like to reproduce in the cell inside the human nose and throat.
#89170
A
causing
B
being caused
C
to be caused
D
to have caused
推荐题目
All of us consider it wrong ___ in the exam.
#98690
A
to be cheated
B
have cheated
C
to cheat
D
having been cheated
—What’s the matter with John? —He’s had his leg ______ trying to save a boy from a fire.
#96073
A
wounding
B
wounded
C
being wounded
D
to be wounded
— Is Bob still performing?— I’m afraid not. He is said ________ the stage as he has become an official.
#95439
A
to have left
B
to leave
C
to have been left
D
to be leaving
.The government was believed to be considering _____ a law _____ it a crime to import any kind of weapon.
#97578
A
to pass …. to making
B
to be passing …. to make
C
passing … made
D
passing….making.
We had an anxious couple of weeks, ____ for the results of the experiment.
#91142
A
wait
B
to be waiting
C
waited
D
waiting