The flu is believed ______ by viruses that like to reproduce in the cells inside the human nose and throat.
#90948
A
to be caused
B
to have caused
C
being caused
D
causing
推荐题目
Missing the train means _____ for another two hours.
#96116
A
to wait
B
waiting
C
having waited
D
waits
We walked as fast as we could _____ to catch the train.
#98331
A
hoping
B
to hope
C
we hoped
D
being hoped
He felt______as soon as he realized that he had asked a foolish question.
#97264
A
bored
B
displeased
C
embarrassed
D
disappointed
Visitors were _____at the _____pictures that the guide showed.
#92134
A
amazed; amazing
B
amazed; amazed
C
amazing; amazing
D
amazing; amazed
The traffic rule says young children under the age of five and _______ less than 25 kilograms must be in a child safety seat.
#97069
A
being weighed
B
to weigh
C
weighed
D
weighing