Choose the best answers

1. This form must have the ... of the writer.
A. to sign
B. signature
C. signing
D. sign
2. He said " Good morning" in a most .... way.               ( FRIEND)
3. Do you need any help?
A. You're welcome
B. Thanks, I don't need
C. Yes, I need
D. That's very kind of you
4. Please ...... the TV before you go to bed.
A. Plug
B. Unplug
C. Turn out
D. Come out of
5. Vietnam is a country that exports a lot of rice.
A. sells and transports goods to another country
B. buys goods from another country into one's own country
C. plants something in the ground and looks after it
D. produces something
6. We drove along Market Street and she pointed ..... where she lived.
A. Out
B. To
C. Up
D. Off
7. I only ( use )           this pen once since the day i had it ( mend )         
8. Is this the best price you can offer?
  -> Can't you                 
9. I don't go to church every Sunday any longer.
  -> I used to             
10. You've dropped your wallet. I ( pick ) .... it up for you.
 ( mn giải giúp mik với ạ)