根据句意完成句子。

1. You can't _____ (穿过) the street. There are too many cars.

2. Please pay attention to your _____ (发音), Li Ming.

3. —How many kinds of _____ (语言) can you speak?

    — Three.

4. —What do you like to do on _____ (周末)?

    —I like taking pictures.

5. I will _____ (返回) my hometown tonight.

以下哪项解剖标志将肝脏分为大致相等的两半（）

A.镰状韧带

B.右叶间裂

C.正中裂

D.冠状韧带

E.左右三角韧带连线