–What cold weather!
-Yes. But it’s_______ unusual experience for us. We normally live in a hot place.
| A．a | B．an | C．the | D．/ |
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