—The population of the world ____ still ____ now.—So it is.A. are; growing B. will; grow C. is; growing
—______? —He is very friendly and generous.
We hope _______ members of the Red Cross.
This maths problem seems _____ for us to solve.
—Would you like to walk along Yueya Lake with me tomorrow afternoon? —Certainly, ______ I am too busy.
-Have you heard of Liu Qian from Taiwan? -Sure! His magic performance is _______amazing for people ______forget.