题目内容
4. A number of engineers____________ to Africa by our government to help the people there last week.
A. is sent B. are sent
C. was sent D. were sent
D
练习册系列答案
相关题目
divide, invent, believe, create, rise |
1. The zipper is a good__________ for iks human beings.
2. Dr. Naismith________ a new game called basketball.
3. The number of Chinese students in Canada has
4. The class is__________ into five groups.
5. It is_________ that he is an honest student.