A boy with tow dogs _ when the eathquake roked the cityA.were sleeping B.is asleep C.WAS Sleeping D.ARE ASLEEP

A boy with tow dogs _ when the eathquake roked the city
A.were sleeping B.is asleep C.WAS Sleeping D.ARE ASLEEP

C with 表示男孩和狗.动词用单三形式.不表示复数
roked 过去式,所以选C.

C

C. WAS Sleeping
主语A boy用单数 过去进行时

C
with前的是主语，用三单，且过去时。