题目内容
19、All the students______________ in the chemistry lab with their eyes_________ the teacher.
A. are seated; watching carefully B. sat; carefully watching
C. seat; watched carefully D. sit; carefully watched
试题答案
19、B
相关题目
All the students______________ in the chemistry lab with their eyes_________ the teacher.
A. are seated; watching carefully B. sat; carefully watching
C. seat; watched carefully D. sit; carefully watched
查看习题详情和答案>>All the students ________ in the chemistry lab with their eyes ________ the teacher．
- A.are seated; watching carefully
- B.sat; carefully watching
- C.seat; watched carefully
- D.sit; carefully watched