---Has your father returned from Africa yet? ---Yes, but he _______here for only three days before his company sent him to Australia.
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.