Max’s legs are too long. When he walks _______ our desk, he often knocks our books _______ the floor.

Oh, Mom, just a few minutes.—Hurry up, Harry, or by the time you pack your belongings, the flight _________!

Many experts have realized that the current medical system needs ________ to meet the needs of ourincreasingly aging population. [ ]

With a large amount of equipment________ ,the boss asked the employees to work extra hours.

is constantly making efforts, shedeserves the goalof entering the key university.