------______________do you like your birthday so much?
---- I always have a party and get lots of presents.
A How B. What C. Which D. Why
Healthy food and exercise help ________to study better.
A. us B. we C. our
I think _____ is very important for students to study by themselves in the school or at home.
A. it B. this C. that
Could you please tell me_?
A. why does the earth go around the sun
B. why the earth goes around the sun
C. why the earth went around the sun
The baby is sleeping. Please__the radio.
A. turn on B. him down C. turn up
We will climb the mountain tomorrow_it doesn't rain.
A. if B. although C. since