36.My friends ___________lazy. They always do their homework. A.are B.is C,aren’t D.isn’t 37.My grandfather often ___________fishing every weekend. A,goes B.go C.don’t go D.is 38.___________tidy your room? A.How often are you? B.How often do you? C.How often you D.How often does you 39.Ms Thuy waters the trees ___________a week. A,once B.one C.two D.one time 40.What ___________your nationality? I am Vietnamese. A.is B.are C.do D.does 41.My sister really loves making models and I ___________it too. A.loves B.love C.don’t love D.doesn’t love 42.The Smiths never___________to their neighbors A.talk B,talks C.don’t talk D.doesn’t talk 43.My sister ___________ how to swim. A.don’t know B,doesn’t know C.don’t knows D.not know. 44.Many people ___________ doing morning exercises. It is good for health. A,enjoy B.dislike C.hate D.enjoys 45.Sometimes a rainbow___________ after the rain. A.appear B,appears C.not appear D.doesn’t appears