Leaves are found on all kinds of trees, but they differ greatly_________ size and shape.
______ helping the situation, you’ve just make it worse.
I was caught in the traffic jam this morning; ______, I would have come on time.
--- Did you return the book you borrowed from Tom?--- Yes, I gave it to him ______ I saw him.
If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
It’s better to express your anger ______ bottle it up.