I found _______ difficult to finish all the work in such a short time.
o the shops make money ifthey sell at such low prices —Manufacturers, it seems, arewilling to bring down prices _______ big volume purchases.
Jim talked for about half an hour yesterdayNever__ him talk so much
Bothstudentsandparentsappreciatedthegreatimportanceschoolshave________toeyesightprotection. [ ]
He tried toget his work ____ in the medical circles[ ]