Choosing to visit the Shanghai Expo on a late afternoon canmake you see two to three times as many of the most popular pavilions between 6pm and closing time ____ you hurry.

Nurses in this hospital try their best to make patients feel at _____

Our Chinese teacher recommends new book to us every month and asks us to read ourselves after school.

l animals, ______ their size, breatheonce for every four heartbeats.

The real-name system _______ train tickets will be sold based on real names is aimed to fight ticket-scalping, which has long been a headache for Chinese travelers.