Because he is a good student，I like him very much.

He is a good student，so I like him very much.

他是一个好学生，我很喜欢他。

英语中“because”(因为)与“so”(所以)不可以连用。

“familiar”熟悉的

“though”(虽然)与“but”(但是)不可以连用。

Though he is nice，I don’t like him.

He is nice，but(yet)I don’t like him.

虽然他很好，但是我不喜欢他。