The two giant pandas are so much alike that it is impossible to ________ one from the other.
The wild flowers looked like a soft orange blanket __________ the desert.
AIDS is said __________ the biggest health challenge to both men and women in that area over the past few years.
— I was wondering if we could go skiing on the weekend. — __________ good.
__________ this cake, you’ll need 2 eggs, 175 g sugar and 175 g flour.
No matter how frequently __________, the works of Beethoven still attract people all over the world.