搜题请搜索小程序“爱下问搜题”
问题 选择题

—Can you describe ______ it happened?

—Yes, I was riding on my bike ______ a car knocked me down from behind.[ ]

A. when; as     

B. how; as      

C. how; when

D. how; while

答案

答案：C

补全对话，情景问答
给下列问句选择答语。
( ) 1. How many books do you have?              
( ) 2. How many people are there in your family?
( ) 3. What would you like for lunch?           
( ) 4. Are they teachers?                       
( ) 5. May I have a look?                       
( ) 6. What's your mother?                       		A. Yes, they are.       
B. Three.              
C. I have sixty books.                                             
D. Sure. Here you are. 
E. She is a dancer.    
F. Rice and fish, please.
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单项选择题

家兔的子宫熟属于（）。

A.双角子宫

B.双分子宫

C.单子宫

D.双体子宫
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