―The river runs clear.―We all appreciate the importance the local government has______ the environmental protection.
Some people choose jobs for other reasons _____money these days.
_____he had not hurt his leg, John would have won the race.
I won’t call you, ________ something unexpected happens.
The manager suggested an earlier date _______ the meeting.
Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.