I enjoy fresh air so always sleep with the window open ______ it is really cold．
| A．unless | B．when | C．if | D．Since |
Mother keeps telling her son not to get off until the bus .
| A．will stop | B．is going to stop | C．stopped | D．stops |
Which sign tells you to run away from the fire?
A．B.C．D．
Could you help me my homework？
| A．with | B．to | C．for | D．in |
一What's behind door? I can't open it．
一Let me see．Oh,there's a chair．
| A．a | B．an | C．the | D．／ |
词汇根据下列句子的意思及所给的汉语提示，写出空缺处单词的正确形式(每空一词)。Lily’s parents are both doctors while _________（我的） are both teachers.
As Chinese , we’re all _________ (骄傲） of the Great Wall.
To make our world a better place, we need to _________ （保护） those endangered wild animals.
When did the story ______________ （发生）?
May is the______________ （第五）month of the year.
Most people in Britain have small___________ (花园) at the backs of their houses.
English is a working ___________ (语言) in the United Nations.