Giúp mình giải mấy câu này vs đang cần gấp.

39. Tell him to wait for me until I (come) 40. This is the biggest book that I (see)... 41. Be quiet! The baby (sleep) 42. We often (eat) 43. It rain (much) 44. What 45. She (be) 46. Rivers usually (flow). 47. The light (go out) 48. Bill (have) before 6:30. 1 in summer. It (rain) you ( ...