—How is your cousin, Kate?—She broke her leg and ________ medical treatment since.
His illness was too serious, otherwise he _______ saved.
They suggested not only _______ to the party but also give a performance.
The little child _______ go home alone at night.
If hehis legs yesterday, he _______ the Summer Palace with us now.
—Did you notice John was not at work today? —No.If _______ working,I would have noticed it.