If he ______ harder, he will catch up with us soon.
December is ______ month of the year.A. twelve B. the twelfth C. the twelveth
—What can you see in my hand, Tony?—I can see a book. ______ book is green.A. A B. An C. The
–Would you mind opening the window? It’s too hot in the room.– . I’ll do it right away.
–Could you tell me ?–At 8 o’clock.
–Would you like to go to Mike’s birthday party with us?–I will go to his party if I .