—What are you doing? — _________. It is too dirty.
A. I’m doing my homework
B. I’m playing computer games
C. I’m cleaning the room
D. I’m writing
—___________? —They are playing basketball.
A. What are they doing B.What do they do
C. How are they D. Where are they playing
— __________ do you go to school every day?
—I go to school at half past seven.
A. Where B. Who C. What D. When
Your clothes are dirty. Please ________ them on weekends.
A. save B. wash C. wear D. leave
Because people cut down many trees， elephants are ________ great danger.
A. in B. on C. at D. for
My brother likes tigers， __________ my sister doesn’t.
A. and B. but C. for D. so
