Generally speaking, prices of daily goods ______ through the Internet are lower than store prices．
| A．to buy | B．are bought | C．buying | D．bought |
The trade union intended to call on the workers to go on strike _______ the government’s limitation on exports.
| A．in response to | B．in demand of |
| C．in honor of | D．in favor of |
Traditionally, college students hold a graduation ceremony to encourage themselves before they _______ on their life journey.
| A．give up | B．set off |
| C．get through | D．settle down |
Our school requires that all students _______ on the campus.
| A．must wear school uniforms | B．wearing school uniforms |
| C．to wear school uniforms | D．wear school uniforms |
At the routine office meeting, the headmaster insisted that the problems _______ paid special attention to.
| A．referred to being | B．referred to be |
| C．refer to being | D．refer to be |
_______ basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known |
| C．Knowing | D．Being known |