—Ruby, when did your father go out?
—I’m not sure, but he ______ go too far. His tea is still hot.
can’t
must
might
Would you please tell me________to deal with all the problems, Mr Feng?
The pears in my basket are smaller than _____in Jim’s.
Bob is a football fan. He often asks me _______ football matches with him.
Vienna,the capital of Austria,isthe River Danube and The Blue Danube is auss.
Where's Tom? His mother ______ him now.