题目内容
2. 起作用
2. work out
( ) 3. —Jeff seems unhappy. What's the matter?
―He got his bike lost this afternoon. Let's go to him
A. cheer;up B. make;up C. set;up D. clean;up
2. 修理;装饰
1. Maria has run out all her money.
( ) 3. The modern technology makes possible to fly to the moon.
A. that B. this C. it D. one
3. Please o the windows. It's too hot in the room.
5. He repeated the words and this time I (understand) .
1. My (牙齿) are pretty white.
( ) 2. I have a sister.
A. 15 years old B. 15-years-old
C. 15-year-old D. 15 year old
