Whether there are any aliens（外星人）in outer space or other planets is still a ________.
A.story B.record C.challenge D.mystery
Try to do it by yourself. Don't ask me to explain ________ you really don't understand.
A.because B.if C.unless D.when
She found a man was following her in the dark street. She was ________ and didn't know what to do.
A.brave B.scared C.tired D.bored
—Is he going to attend the meeting？
—I think he ________,but I'm not sure.
A.must B.should C.can D.might
To his ________,the car caught fire. And his family and he himself were in danger.
A.horror B.joy C.surprise D.sadness
将下列句子译成英文
1.我已经对班上所发生的事情进行了报道。
___________________________________________________________.
2.他的名字也在名单之列。
___________________________________________________________.
3.我喜欢网上购物,因为网购可以节省许多时间。
___________________________________________________________.
4.这是一部由我的老师导演的电影。
___________________________________________________________.
5.她不知道这件事情,除非你告诉她。
___________________________________________________________.
