I have ______ the problem several times, but I cannot ______ a solution. A. looked after / turned off B. gone over / think of C. put out / got through D. come for / threw out
I have ______ the problem several times, but I cannot ______ a solution.
A. looked after / turned off
B. gone over / think of
C. put out / got through
D. come for / threw out