问题
填空题
根据课文内容填空。
David has a 1.b day on 2.T . He 3.g____ up at 6:30. He has 4.l at 5.a____
to twelve. After 6.___ , he goes to the 7. and cleans it carefully. At 4:15, he 8. to
watch a 9.f game. After supper, he should do10. 11. . He is 12.r___ _busy today.
答案
1. busy 2. Tuesday 3. gets 4. lunch 5. quarter 6. lunch
7. library 8. goes 9. football 10. his 11. homework 12. really
后脱离墙面，此时速度大小为
，最终落在地面。