--Is this your pen?  --________.
#23195
A
Yes,it’s a pen.
B
No.it’s my pen.
C
No,it’s her pen.
D
Yes,it’s her pen.
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---But for your hand with my heavy luggage,I wouldn’t have been here in time. ---             .
#4271
A
Not at all
B
It’s nothing
C
It’s all right
D
It doesn’t matter
—I am terribly sorry I broke your teapot.— 
#1056
A
So what?
B
Forget it.
C
What if?
D
Be careful!
----Thanks so much for making my stay here so pleasant .----________.
#1459
A
With pleasure.
B
That’s right .
C
Enjoy yourself.
D
Its’ a pleasure .