------shall we have our picnic tomorrow? -----______it doesn’t rain.  
#4344
A
Until
B
While
C
Once
D
If
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So many people! Could I stand here? ____ Don't you see the sign "Line up, please"?
#2545
A
My pleasure
B
No problem
C
Of course
D
Sorry, you can't
---It looks heavy. Can I give you a hand?---_______.
#4348
A
No, thanks
B
Yes, my pleasure
C
No, never mind
D
Yes, I do
—Mom, I am going to have the final exam today.  —____________, son.
#23284
A
Good luck           
B
Congratulations
C
Thanks to you         
D
Sounds fun