根据首字母提示和实际情况填空。
1. Beijing is the c__________ city of China.
2. — What color is China’s flag? 
— It is r__________. 
3. How many stars does it have?  It has f__________ stars.
4. — What colour are the stars? 
— They are y__________.
5. We live in C__________ .We speak C__________.

选择下列单词或词组填入每句的空格中。每空格限填—词，每词只能填—次。

A．bad

B．Perhaps

C．outdoor activity    

D．practise swimming   

E．in spring

F．careful
（1）Running is Mark's favourite ________.
（2）Susan had a ________ cold. She went to see a doctor.   
（3）________ my son will be an astronaut in the future.   
（4）We ________ three times a week.   
（5）It's a good idea to have a picnic ________.   
（6）In London, traffic keeps to the left, so you should be ________.

将单词补充完整，并写出汉语意思：f__r ________

—_________ are you going there? (   )
—At the weekend.

A．What

B．How

C．When

黑头发  (   )

A．black bear

B．white hair

C．black hair