______ the teacher has given permission, ______allowed to use the equipment in the lab.
A.Only if, are the students | B.If only, the students are |
C.If only, are the students | D.Only if the students are |
推荐套卷
______ the teacher has given permission, ______allowed to use the equipment in the lab.
A.Only if, are the students | B.If only, the students are |
C.If only, are the students | D.Only if the students are |