—Is this your jacket, Xiao Li?—No, perhaps someone ______ it behind when the meeting was held.
Our teacher requested that strange signs around us ____be ignored before an earthquake.
It is a long ___to build a people--centered society in china.
Is it only money ___ brings us happiness?
There is ___ in traveling during National Day with visitors crowded into the scenic spots.
--If we want to study English well, we should do more exercises. --. Practice makes perfect.