Stephen Hawking thinks _______ important to have hope in bad situation.
---Excuse me . Is this the right way to the Water World ? ---Sorry! I’m not sure. But it ______ be.
---Excuse me. Could you tell me ______? ---There is a bank on the second floor.
--Is Bill in your house? ---No. He ______ from my house for about an hour.
---Will you go to the cinema after school ? --- If Jean ______ , I will.
---Look! How______ the shop is ! ---Yes. There are always lots of people buying things there.