－Why don’t we choose that road to save time－The bridge to it _______ .

Waiter, $ 20 for dinner, right –I’m afraid $25, sir, for drinks are ________.

You should ____________ your hands if you have any problems.

The ________ look on her face suggested that she _________ the exam.

_____ the little boy knows so much about nature really surprises his teachers and classmates. [ ]