Your desk is crowded with too many unnecessary things,including used papers and books.You’d better________some of them.[ ]

The bus was held up by the snowstorm, thus________the delay. [ ]

The manager discussed the plan that they would like to see ______ the next year

_in a science competition, the threestudents were awarded scholarships totaling $ 21, 000.

下列句子中加点词语不存在活用现象的一项的是（ ）