作业帮The students are doing an experiment __ ___ ___ ___ their teacher.
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The students are doing an experiment __ ___ ___ ___ their teacher.
The students are doing an experiment __ ___ ___ ___ their teacher.
The students are doing an experiment __ ___ ___ ___ their teacher.
under the guide of
with the help of
under the instruction of
under the guidance of
在老师的指导下