We left Xi' an _.___ a very hot summer afternoon.
| A．on | B．in | C．during | D．by |
The Forbidden City attracts a _____ stream of visitors every day, especially during national holidays.
| A．constant | B．main | C．powerful | D．shallow |
Michelle found a job as a high school teacher which _____ spending quite a lot of time with students.
| A．enjoys | B．involves | C．practices | D．suggests |
The famous musician, as well as his students, ____ to perform at the opening ceremony of the 2012 Taipei Flower Expo.
| A．were invited | B．was invited | C．have been invited | D．has been invited |
_____ basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known | C．Knowing | D．Being known |
The "Chinese Dream" is ____dream to improve people's well-being and ____dream of harmony, peace and development.
| A．the; a | B．a; a | C．a; the | D．the; the |