he clear colorless liquid that fallsas rain, fills lake and rivers, and is necessary for life to exist is______.

ays there were a lot of children playingin the park, ____parents seated together joking

Sam _____ some knowledge of the computer just by watching others working on it.[ ]

—Is supper ready, Mom?—Wait a moment, please! I ______ it.[ ]

Have you heard the news that Jack ___________ Rose for almost 50 years