—When did the terrible earthquake happen in Ya’an Sichuan?—It happened ________ 8:02 ________ the morning of April 20th,2013.
-----How are you doing? -----_____________
In order_______ late, many students get up very early every morning.
The number of the wild animals is getting smaller and smaller _______people’s activities.
The sentence structure of “The boy is crying.” is__________
________ time went by, we became best friends.