---How long has the United Nations ________? --- ______1945.
#2937
A
come into existence; In
B
been in existence; Since
C
been in existence; From
D
come into existence; For
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--- Mum, I’ve cut my finger. It’s bleeding! --- _________.
#3088
A
Let me see.
B
Don’t worry.
C
Be careful.
D
Let me have a look.
---- I’m going to Betty’s birthday party. Bye-bye, Mom. ---- ____, baby. 
#2505
A
Best wishes
B
Have fun
C
Take care
D
No problem
— Don’t keep water running when you wash hands.— ________.
#20959
A
I hope so
B
I’m afraid not
C
Sorry, I won’t
D
It’s nothing