1 . Xie Lei is studying for a business qualification at a university. Her ______is to set up a business in China after her graduation.

A．opera

B．alternative

C．anxiety

D．progress

E．ambition

2 . Students who are angry, afraid, or experiencing a________ may have their arms crossed in front of their chests and their legs closed or crossed, like they are guarding their bodies. （根据首字母单词拼写）

3 . 那位母亲焦急地等候她的儿子。
The mother ______ ______ ______ ______ her son.

4 . "Thunderstorm ________（焦虑）" is common among dogs, and some dogs tremble with fear under the owner's beds during thunderstorms. （根据汉语提示单词拼写）