-Why didn’t you give me a call last night?-Well, I couldn’t. My phone _____________.
The fire was finally brought under control,but not __________heavy damage had been caused.
.Most students used to listen to their teachers in class and completely obey their teachers,__________?
—Why is Tom absent? —He must be sick,__________?
I don’t think he could have done such a stupid thing last night,__________?
Mrs.Black doesn’t believe so many people are suffering from this tsunami,__________?