_____around, I find many people willing to pay a little higher price for things ____are friendly to the environment.
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.
The famous musician,as well as his students,________ to perform at the opening ceremony of the 2012 Taipei Flower Expo.
It was with the help of the local guide________the mountain climber was rescued.
It was not until near the end of the letter ________ she mentioned her own plan.