It was _______ problem that _______ of the students could work it out.
A.such a hard; few | B.so hard; a few |
C.such hard a; few | D.so a hard; a few |
It was _______ problem that _______ of the students could work it out.
A.such a hard; few | B.so hard; a few |
C.such hard a; few | D.so a hard; a few |