Antarctica holds 90% of the world’s ice, and most of its fresh water (70%) is in a frozen .
Helping others is a habit, ________ you can learn even at an early age.
My grandmother always said you should sweat to reduce the when you have the flu.
—Many students like Miss Wang. —That's ________her classes are lively and interesting.
Every year, ____ graduates take pan in TOEFL for further education abroad.
I’ve become good friend with several of the student in my school _______I meet in the English speech contest last year.