I looked up and noticed a snake ________ its way up the tree to catch its breakfast.
Every day________a proverb aloud several times until you have it memorized.
There are some health problems that,when ________ in time,can become bigger ones later on.
The driver wanted to park his car near the roadside but was asked by the police________.
The university estimates that living expenses for international students________around $8,450 a year,which________a burden for some of them.
Generally,students’ inner motivation with high expectations from others________essential to their development.