1. she often reads book while she.......for the bus A.wait B.will wait C. is waiting D.had waited 2.when i ..at his house , he still........... A.arrived/sleeping B. arrived/was sleeping C.am arriving /sleeping D.was arriving/slept 3.Bill.......breakfast when i ..........at his house this morning A.had/stopped B.was having/was stopping C. was having/ stopped D. had had/stopped 4.my teacher ........english at this school for six years A.teachers B.has teacher C.has been teaching D.will teach