Don’t play with dog, Jack, for it _____ be dangerous at times.
The teacher recommended that everyone _______ this dictionary.
I admired my classmate Lisa very much. ______ her prettiness, she was smart and helpful.
_______ about wild plants that they decided to make a trip to Madagascar for further research.
My father has worked for 20 years in the field of medicine, so he has_______ a huge amount of experience.
My grandfather is always thinking for others. In other words, he is always ____.