His job is _(teach) English.The teacher asked his students _(listen)carefully in classThe students try their best to study hard in order to pass the exam.(保持意思不变)The students try their best to study hard _ _ they can pass the exam.

问题描述:

His job is _(teach) English.
The teacher asked his students _(listen)carefully in class
The students try their best to study hard in order to pass the exam.(保持意思不变)
The students try their best to study hard _ _ they can pass the exam.

1.teaching 2.to listen 3.so that或make sure

teaching
to listen
in order that

teaching to listen so that