Help others in need，_____________ they will help you when you are in trouble．（ ）
| A． |
although |
B． |
but |
C． |
and |
D． |
or |
I saw Tom his key in the lock，turn it and open the door．（ ）
A．putB．puttingC．putsD．to put
The house belongs to Mr. Smith，but he here any more．（ ）
A．hasn't livedB．didn't live
C．wasn't livingD．doesn't live
A person likes asking questions．（ ）
A．creativeB．practicalC．patientD．curious
A bird flew into the kitchen the widow．（ ）
A．acrossB．aboveC．throughD．under
We have no food at home．Shall we go to the ？（ ）
A．libraryB．supermarket
C．hospitalD．theatre