—You were not listening;what troubled you?—I         my coming math exam.
#102663
A
am thinking about
B
was thinking about
C
had thought about
D
will think about
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. I don’t understand why he        faults with me. I’ve done my best.
#100277
A
finds
B
found
C
is always finding
D
will find
I need to go back home before I _________ money.
#102744
A
is running out
B
run out
C
have run out of
D
is running out of
— Can I help you, madam?— Yes, I bought this air conditioner here yesterday, but it _____ now. 
#104569
A
didn’t work
B
won’t work
C
can’t work
D
doesn’t work