Suddenly the small boy stopped and bentdown as if to _____ something.

The young doctor is determined to devote all his life to ________ the cause of cancer.

If George keeps on working so hard, he’ll ______ sooner or later.

____ the end, they arrived in the city ____the morningof June 20, 2005.

In case of emergency, whether knowing how to apply first aid or not really ________ in matters concerning wounds like swollen wrists, broken arms, burns, cuts, and so on.