he___ his homework when i left my house .A.is doing B.was do

he___ his homework when i left my house .A.is doing B.was do I was doing my homework when he is ___ (clean) the house tom and i ( ).A,am doing my homework.B,is doing his homework I was doing my homework when she came______(to,in)my house要选 The phone rang （ ）I was doing my homework?A when B while 为什么 i was doing my homework when my mom came I was doing my homework when he came in.(对I was doing my hom i was doing my homework when a boy rushed into the classroom Tony is busy-----his homework.A.doing B.do C.to do D.does Don't talk with him_____he is doing his homework.A.when B.wh After I ( ) my homework,I went out to aquarium A.was doing B but he has to 【】 his homework first A.do B.does C.doing D,is