IV. Chia động từ. 31. They (see)_____________ a good film last night. 32. He (buy)_______________a lot of English books yesterday. 33. She is a teacher of English. She ( teach)___________English at Vo Cuong 2 Primary School. 34. Where is your mother?. She is in the kitchen. She (cook)_____________ 35. They (be)___________students last year. 36. Look! The baby (cry)_____________ 37. She likes (drink)____________milk. 38. I can speak English when I (be)__________three years old. 39. Lan usually (have)____________bread and milk for breakfast. 40. Nam ( not/ do)____________his homework yesterday.