----- Nội dung dịch tự động từ ảnh ----- 19. The children are old enough to look after B. ourselves A. themselves C. herself D. for themselves A в 20. Alexander Graham Bell was born March 3, 1847. А. in В. on С. at D. during D000 A B 21. We ought A. put the wardrobe in the corner opposite the bed. C. to put B. putting D. puts D000 A 22. The calendar is the clock, the picture and the lamp. D. above/on A. on/next to B. under/between C. behind/between A000 А D to be in my class. C. for 23. She isn't old A. so that B. enough D. that