Chuyển câu

41. Peter said, “I don’t understand these lessons carefully”
 Peter ………………………………………………………………………………………
42. She spent nearly three hours last night preparing for the tomorrow’s lessons.
 It took ………………………………………………………………………………………
43. We should brush our teeth carefully after meals.
 Our teeth. ………………………………………………………………………………………
44. I learn English a lot. I like it a lot.
 The more ………………………………………………………………………………………
45. We started learning English four years ago.
 We have ………………………………………………………………………………………