摘要： 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
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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