in/at/on a lesson
in/at/on a lesson
on lesson还是in lesson还是at lesson?
He has a P.E.lesson ____ Saturday.A.in B.on C.at 说明原因.
( )We sing and dance_____a music lesson.A.at B.on C.in 请问选哪一
in the lesson为什么用in不用at或on?
it's time( )music lesson.A.at B.on
At a PE lesson
work hard at your lesson还是on your lesson
work hard on the subject,work hard at English,in your lesson
at a music lesson是什么意思
是On PE lesson还是in PE lesson?
是in the lesson 还是 on the lesson?