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
1. C
2. B
3. C
4. B
1. C. is waiting
2. B. arrived/ was sleeping
3. C. was having/ stopped
4. B. has been teaching