The engine of the bus was _________,and the bad weather added to the worries of the passengers.
It’s very wise of you to ________ well trained workers _____ untrained ones in the assembly line.
He was badly injured and couldn’t _______ the game.
. Such women _____ know Tom thought he was charming.
. After he retired from the office, Tom _______ painting for a while, but soon lost interest.
Earth is a rocky planet _______ liquid water, which is necessary for life, can exist.