—Our classroom _____________ every day.
—So it is. It’s our duty to keep it clean and tidy.
| A．cleaned | B．cleans |
| C．is cleaning | D．is cleaned |
--________beautiful the day is! Let's go boating in the park.
--Good idea!
A. How B. What C. What a
—The news reported that the rainstorm was in the area last night.
—Yes. _____ bad weather it was!
A. What a B. How a C. What
--______ does his father make a living ?
-- ______driving a taxi.
A. How , By B. How , With C. What , By
In our school library there _____a number of books on science, and in these years the number of them ____growing larger and larger.
| A．are; is | B．is; are |
| C．have; are | D．has; is |
Sunglasses are used ________ protecting your eyes in sunny days.
| A．to | B．for | C．by | D．as |