世界上最高大的山脉﹣﹣喜马拉雅山脉是由（ ）碰撞挤压形成．
A：印度洋板块和欧亚板块
B：太平洋板块和印度洋板块
C：太平洋板块和欧亚板块
D：非洲板块和欧亚板块
用方框中所给的短语的适当形式填空。
hear from, arrive at, be good at, as well, be afraid of
Can you tell me _________ you are going to do that?
看图，选一选，表示3时的是（ ）
They _______ in Shenzhen at that time(在那时). They were in Shanghai. （ ）
