--- You've left the light on.  --- Oh , so I have.  _____and turn it off.
#101694
A
I've gone
B
I'll go
C
I go
D
I'm going
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Hello, Tom. What a coincidence! I ______ about you. And here you are. 
#100180
A
was just thinking
B
just thought
C
have just thought
D
would just think
It is the first time I ______ this kind of music.
#100782
A
heard
B
am hearing
C
have heard
D
had heard