Tom didn’t go hiking with his classmates ____ his illness.
| A．because | B．because of | C．as | D．since |
How will you feel when ____?
| A．you happen bad something |
| B．you will happen something bad |
| C．bad something will to you |
| D．something bad happen to you |
Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan.
| A．as big as | B．as older as | C．as old as | D．so old as |
—What ____ news!—Yes, all of the children were ____.
| A．excited; exciting | B．exciting; excited | C．excited; excited | D．exciting; exciting |
New York is one of ____ in the world.
| A．the large cities | B．the large city | C．the largest cities | D．the largest city |