He never cleans his room ---- morning (64页）A.in the B.in C.on D.on the选什么?理由?never对介词有影响吗?

He never cleans his room ---- morning (64页）A.in the B.in C.on D.on the选什么?理由?never对介词有影响吗?
He never cleans his room ---- morning (64页）
A.in the B.in
C.on D.on the
选什么?理由?never对介词有影响吗?

He never cleans his room ---- morning (64页）A.in the B.in C.on D.on the选什么?理由?never对介词有影响吗?
A ( in the morning 固定搭配‘在早上’,NEVER 对介词没有影响）