—_____—It’s May 1stA..What day is it? B.What’s the date ? C. What time is it?
After a three hours’ long walk, the boys look rather______.
_____ great scientist Qian Xuesen is!
The moonlight goes _____ the window and makes the room bright.
Teenagers should learn to protect ______ from all kinds of danger.
With the help of the Internet, information can ______ every comer of the world quickly.