Where is my little dog?—Itthe back of the house．
Some old things will be _______ in the Science Museum .[ ]
I am a student. I usually _______at 4:30 p.m..
I can not use the new mobile phone. Could you please show me_______.—Sure.
I’m too busy. Could you do_______ to help me?—Of course. I can do_______ for you if you want me to.