... Bài tập nâng cao Tiếng Anh 12 Lyn1982vn@gmail.comTEST YOURSELF 4I. Choose one word in each group that ... C.may be offering D.may been offered 2. Ann’s birthday was on the 6th, and now it’s already the 10 th . Her birthday card a week ago.A.should send B.should be sent C.should have sent D.should ... of water polo is marked by posts, a crossbar and a net.A.flat B.leaning C.vertical D.horizonal 10. The 22nd SEA Games in Vietnam were well and successfully organized.A.participated B.invited...