It was ________ the trouble to explain a job fully to new employees.

re reserve for white－flag dolphins was set up in 1992, ________ boats have beenprohibited from sailing around since then.

b is not very rewarding ________ money, but heis getting valuable experience from it

．Thework is not very profitto C．in relation to D．in view of

The bridge, which _________ 1688, needs repairing