—I’m going to the States.—How long ________you________ in the States?
#100071
A
are; stayed
B
are; staying 
C
have; stayed 
D
did; stay
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---Hi, Tracy, you looked tired.---I am tired. I______the living room all day. 
#101772
A
painted
B
had painted
C
having been painting
D
have painted
 He ______ at the meeting, but his heart attack prevented him.
#104277
A
will speak
B
is going to speak
C
had to speak
D
was going to speak
The classroom ______ 30 feet long.
#104125
A
measures
B
is measured
C
has
D
has length