题目内容
根据括号内所给中文写出正确的单词：
Do you often have dinner at your ________ home at the weekend?(祖父母)
All my classmates in this school are very ________．(有礼貌的)
We have a computer lesson on ________ morning．(星期四)
The tall boy over there is good at ________．(游泳)
There are ________ boys in my class．(二十)
