Half an hour has been made full ______ of _____ the problem.
#101674
A
using; studying
B
use; to study
C
to use; to study
D
use; studying
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I have to see the doctor because I         a lot lately.
#102282
A
have been coughing
B
had coughed
C
coughed
D
cough
------I thought I asked you to fix the radio.------Oh, I’m sorry. I_______it right away.
#104910
A
would do
B
was about to do
C
will do
D
am going to do
The coal miners    in the coal mine for 10 hours before we came to their rescue.
#103310
A
had trapped
B
had been trapping
C
had been trapped
D
would have been trapped