1............you.......abroad this year a.has-been b.has-gone c.have -be d.have been 2.this is the first time I .................... to Gemany a.has ever been b.have been ever c.has been ever d.have ever been 3.i..............Martha a.'s just seen b.'ve just seen c.'ve seen just d. 's seen just 4.........................the door for me please?-Yes,certainly a.will you open b.do you open c.are you going yo open d. are you opening 5.''look out! That tree..........................'' a.will be falling b.is going to fall c.will fall d.falls 6.I wonder how many of us still........................here next year a.will be b.are c.are going to be d.was bt dạng so sánh(chọn đáp án đúng) 1.in Viet Nam,it is normally.....................in the South than in yhe North a.hot b.hotter c.hottest d.hoter 2.jack is now...................than he used to be a.happy b.happier c.happiest d.happyer HELP ME