Today,i finished level3's all lessons.
But I don't fully understand all the knowledge.
So,i decide to review all the lessons.
on the other hand,i'm tired,i'm feel so sleepy.Maybe I didn't get enough sleep last night.
Today,i finished level3's all lessons.
But I don't fully understand all the knowledge.
So,i decide to review all the lessons.
on the other hand,i'm tired,i'm feel so sleepy.Maybe I didn't get enough sleep last night.