Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test English Grammar Fill in the Blanks
Select the most appropriate option to fill in the blank.
John was very good ______ computers.
1
in
2
at
3
on
4
More than one of the above
5
None of the above