Listen! The birds _________ in the tree.
A. are singing
B. sing
C. to sing
D. sang
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_________________?
A. Oh, he's very well.
B. Certainly.
C. Oh, that's nice of him.
D. You're welcome.
___________________?
A. Yes, they call me Mary.
B. Yes, several times.
C. Ok, I went to see you, but you were out.
D. Ok, I'll call you.
_______________________?
A. Good morning.
B. How are you?
C. Yes, I am fine.
D. Not very well. I have a cold.
____________________________?
A. Helen found her pen.
B. Helen is going to look for her pen.
C. Helen isn't looking for her pen now.
D. Helen is still looking for her pen now.