The plan fell_____for it proved to be too costly.A．offB．behindC．downD．out

The second experiment proved that Rico could______.A．fetch objects back for its ownerB．giv

According to the author, scientists______.A．have already proved that coffee is good for hu

The traffic police were searching for evidence to prove the man’s ______.A、mistakeB、fa

With prices______ so much, its hard for the company to plan a budget.A．shakingB．fluctuatin

The traffic police were searching for evidence to prove the accused man’s ________ but in

Franks lessons were too hard for him and he soon fell __________ the rest of the cla