Too much salt can be bad _____ your health.[ ]

It’s a nice day for a walk. Why don’t you go hiking _____ watching TV at home.[ ]

Excuse me, will the plane for Beijing __________within an hour?—I’m not sure. You can go to the Information Desk for help.

My plan is ______ videos at home. What are you going to do, Jenny?— Well, I prefer ______movies at the cinema.

Look! Is that Mr. Green?—It be Mr. Green. He has gone to Shanghai.