I hear Yang Yan made an English speech at school yesterday.—_______, and _______.

The number of the red-crowned cranes will become ____ if we don’t take any action.

I found ___________ hard to remember all the twelve star signs because they are difficult to pronounce(发音) and spell.

What kind of music do you like best?-I like the music ___________ is quiet and gentle.[ ]

Thinking of his daughter, who was killed in an accident, _______________.