People liketaking photos because photos are the _______ of youth and history and canremind us of many happy scenes

9．You_______if you had spoken the truth out. But you were as quiet as a mouse.

rge amount of time devoted to playing the piano, she doesn’t play wellenough

Nowadays people are wasting too much energy, so we should lead a low-carbon life., we’ll suffer a lot in the future.

_____, I’ve caught up with my classmates in my English study. [ ]