He attempted _______ to set up a company of his own.A. with vainB. on vainC. in vainD.

Mark often attempts to escape _____ whenever he

A committee was set up to ______ the plans put forward by Congress last year.A．implementB．

According to the passage, setting up airline alliances will chiefly benefit ______.A．North

David and William Horsely ______.A．were the first to set up a film－producing workshop in H

If he _____giving up smoking, he can make it.A) sets the mind onB) sets his mind onC) h

He finally______ to find the reference book that he had been looking for.A．triedB．attempte