37.Local people/ sell/ a lot/ local specialities/ open-air market/ last month. A.Local people sold a lot local specialities at the open-air market last month. B.Local people sold a lot of local specialities on the open-air market last month. C.Local people sell a lot of local specialities at the open-air market last month. D.Local people sold a lot of local specialities at the open-air market last month. 38.The first book/print/the Chinese/ more than a thousand years ago. A.The first book is printed by the Chinese more than a thousand years ago. B.The first book was printed of the Chinese more than a thousand years ago. C.The first book was printed by the Chinese more than a thousand years ago. D.The first book was print by the Chinese more than a thousand years ago. 39.How/ about/ ask/ local people/ help? A.How about asking the local people in help? B.How about to ask the local people for help? C.How about asking a local people for help? D.How about asking the local people for help?40)She/impressed/natural beauty/ terraced fields/ Ha Giang province. A.She impressed by the natural beauty of the terraced fields in Ha Giang province, B.She is impressed by the natural beauty of the terraced fields at Ha Giang province. C.She is impressed of the natural beauty of the terraced fields in Ha Giang province. D.She is impressed by the natural beauty of the terraced fields in Ha Giang province