I’m considering _________ Eiffel Tower on my next day off.

A．visit              B．visiting            C．to visit            D．visited

I ____ my aunt tomorrow evening.

A．visit              B． visits            C．will visits          D．am going to visit

    you         Chicago?
A. Are; visit          B. Are; visited      C. Did; visit

Why ______ your brother often _______ the museum ?

A. do , visit        B.  do, visits      C.  does, visit

No family wants its home to catch fire, but it's good to plan for a fire just in case （以防万一）. Talk with your family about  36 to do if a fire starts.   37  should have a plan for getting out of the house. Be sure to choose a safe place to   38  after everyone gets away from the fire.

What should you do   39  there is a fire?  First,   40  people know about the fire. Yell （叫喊） the word "fire". Knock on the walls with your hands.

Then   41  the door of your room. If the door is warm, don't open it. If it's cool, open it just enough to  42 . If you see fire or much smoke, close the door fast.

If you can't see fire or smoke, you can go out of the door. Shut the  43  behind you. That will slow down the fire. Now find a   44 out. Stay away from the smoke. The air is the  45  near the floor. So it   46  be the safest to crawl（爬）when you leave the house.

If you can't leave your room,  close your door. Cover the crack （缝隙） under the door

  47   clothing. Then open the window or   48  the glass with a chair. Crawl out, of the window   49 .If the window is high off the ground,   50 jump! Wave a towel out of the window, and yell for help. When you get out of the house, run to the place where you and your family chose to meet.