we have four lessons the morning.the 前面加不加 in 我要百分之百肯定的答案

we have four lessons the morning.the 前面加不加 in 我要百分之百肯定的答案
we have four lessons the morning.
the 前面加不加 in
我要百分之百肯定的答案

we have four lessons the morning.the 前面加不加 in 我要百分之百肯定的答案
we have four lessons in the morning.
the 前面加 in,百分之百肯定
in the morning,意思是说在早晨.
此外,也可以说we have four lessons this morning

要加

we have four lessons in the morning.
the 前面加 in,百分之百肯定

要加，两个名词不能直接连用，中间必须要有介词等

要加的，肯定是要加的。

要加。