How long 　　　　 in Shanghai？—Just the weekend I’ve to be back for an important meeting to be held next Monday

What’s the matter with you? — After the long walk, my legs _______ and I couldn’t even take one more step.

In those days, the old woman________ sit at the door for hours, waiting for her son to return from abroad.

Father _____for London on business upon my arrival, so I didn’t see him

The boy would rather _______ the story to himself than ______ it with his friends.