21.It's two years since I last_____Quoc Anh A.saw B.had seen C.have seen D.see 22.Last year I_______my summer holidays at a seaside town. A.spend B.spends C.to spend D.spent 23.Please think of a word_______comes from a foreign language into Vietnamese. A.which B.who C.it D.this 24.The have built our school at the place of old library for a long time. A.They have been built our school at the place of old library for a long time B.Our school was built at the place of old library for a long time. C.Our school has been built at the place of old library for a long time. D.Our school have been built at the place of old library for a long time. 38.If you were not sick,______camping with us. A.will you go B.would you go C.do you go D.are you going Giúp mình 5 câu nha Mình sẽ cho ctlhn và 5 sao tym nhé Nhớ giải thích lí do chọn nha Tks...