The boy has a stomachache .He shouldn’t eat______.

. —- Is the letter yours? —- No, it’s not mine. It’s_____.

Although punctual himself, the professor was quite used ________ late for his lecture.

What a beautiful city our hometown is! There are many trees ___________ of the road! — Yes, and ____________ of the trees is growing larger and larger.

It is often ____ that human beings are naturally equipped to speak.