________of the chemical factories in their city _________pouring waste water into the river. It’s too dangerous.
| A．Two fifths; are | B．Two fifths; is | C．Two fifth; are | D．Two fifth; is |
-- Mom, look at the kite. I made it alone.
-- Good job, Charlie. I’m _________ of you.
| A．tired | B．proud | C．sure | D．sick |
Though Lin Tao’s parents work in another city, he can ______ himself.
| A．look out of | B．take care of | C．catch up with | D．come up with |
You won’t lose weight______you keep a diet and take exercises every day.
| A．because | B．unless | C．if | D．but |
-- Excuse me, where can I exchange _________?
--There’s a bank on the second floor.
| A．books | B．food | C．money | D．stamps |
-- Is this your notebook?
-- No, it isn’t. Ask Bill. He is looking for ___________.
| A．mine | B．yours | C．hers | D．his |