cau 1 : give the correct forms of verbs in the following snetences 1 my sister is interested in ( read ) magazines >> ............................................ 2 i would answer the question immediately if i (know ) the key >>................................................ 3 trang usually (look ) out of the window while the teacher is teaching >>............................................... 4 they (work) in this company for two years >>.............................................................. 5 when i came yesterday , my car (repair ) >>............................................