50 going - to study 51 to work52 cutting53 to check54 talking55 taking56 cry57 listening58 cooking - washing59 learning - to go60 trying - to catch61 cry62 drive63 passing64 teaching65 reading66 being67 to go68 to do69 changing1 going for a swim2 going to the museum this weekend3 going for a picnic this weekend4 visiting Smiths5 visiting the National Gallery6 opening the windows7 going for a picnic this weekend8 going out for a drink9 interrupting me all the time10 takes a long time11 helping me to put the chairs away12 Nam coming from the back door13 them driving away14 he leaving the library early this afternoon15 her stay in Dalat for the weekend.Câu trả lời: 50 going - to study 51 to work52 cutting53 to check54 talking55 taking56 cry57 listening58 cooking - washing59 learning - to go60 trying - to catch61 cry62 drive63 passing64 teaching65 reading66 being67 to go68 to do69 changing1 going for a swim2 going to the museum this weekend3 going for a picnic this weekend4 visiting Smiths5 visiting the National Gallery6 opening the windows7 going for a picnic this weekend8 going out for a drink9 interrupting me all the time10 takes a long time11 helping me to put the chairs away12 Nam coming from the back door13 them driving away14 he leaving the library early this afternoon15 her stay in Dalat for the weekend.