题目内容
29、The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.
A. causing B. being caused C. to be caused D. be have caused
试题答案
29、C
The flu is believed________ by viruses that like to reproduce in the cells inside the human nose and throat．
- A.causing
- B.being caused
- C.to be caused
- D.to have caused
The flu is believed _________ by viruses that like to reproduce in the cells inside the human nose and throat.
A. causing B. being caused C. to be caused D. be have caused
查看习题详情和答案>>The flu is believed______by viruses that like to reproduce in the cells inside the human nose and throat.
A.causing B.being caused
C.to be caused D.to have caused
查看习题详情和答案>>The flu is believed _______ by viruses that like to reproduce in the cells inside the human? nose and throat.?
A. causing B. being caused?
C. to be caused D. be have caused?
查看习题详情和答案>>The flu is believed ______ by viruses that like to reproduce in the cells inside the human nose and throat.
A. to be caused B. to have caused C. being caused D. causing
查看习题详情和答案>>
The flu is believed ______ by viruses that like to reproduce in the cells inside the human nose and throat.
A. to be caused B. to have caused C. being caused D. causing
查看习题详情和答案>>
The flu is believed ____by viruses that like to reproduce in the cells inside the human nose and throat.
A. causing B. being caused C. to be caused D. to have caused
查看习题详情和答案>>
The flu is believed____ by viruses that like to reproduce in the cells inside the human nose and throat.
A. causing B. being caused C. to have caused D. to be caused
查看习题详情和答案>>