英语造句21．这颗新星是一位中国科学家发现的. The new star________________________

英语造句
21．这颗新星是一位中国科学家发现的.
The new star___________________________________ ．
22．他给我们提供了一条有用的信息.
He gave us__________________________________________ .
23．请立刻给我带两瓶牛奶来吧.
Please____________________________ at once．
24．你们最好不要在大街上踢足球.
You'd better____________________________.
25．在过去的20年里我家乡发生了巨变.(take place)
Great changes___________________________________．
26．不要嘲笑那些遇到麻烦的人.
____________________________ those who are in trouble．
27．我把窗户关上你不介意吧?
____________________________ the window?
28．做完作业后,他又接着给父母写了一封信.
After he finished his homework, he_____________________ ．
39．他用了三周时间看完了这本书.
It took him__________________________________________ ．
30．不要躺在床上看电视,这对你的眼睛有害.
Don't watch TV in bed．It's___________________________________.