—Why didn’t you go to school yesterday?—______ my mother was in hospital and I had to take care of her.A. Then B. Because C. If
-Don't stand_______ me. I can't see the blackboard. -I'm sorry.
My grandfather usually_______ his glasses before he does some reading.
-Who_______ dog in our class ? -Many students_______.
Mary lives_______ her family in Nanjing now.
It's time_______ supper now.