The coal is sold____the ton and buyers can’t pay using credit card, so we have to pay___cash.
| A．by; by | B．by; in | C．in ; by | D．in; in |
Frequently influenced by natural disasters, some residents in this coastal city would rather they ______ to their inland area some day.
| A．will move | B．would move |
| C．had moved | D．moved |
We have a totally different value system in which the westerners emphasize heroism _______ Chinese people pay more attention to wisdom.
| A．when | B．while |
| C．although | D．because |
—I know that she is a very careful person.
—Yes, that’s why I feel surprised that she _______ make such mistake in the math exam.
| A．might | B．could | C．should | D．shall |
Thousands of protesters _______ major roads in the central business area of the city for weeks, leading to much inconvenience for many Hong Kong citizens.
| A．knocked off | B．blocked off |
| C．knocked out | D．blocked out |
It is common to see electric bicycles, often _______ as e-bikes, racing down the road, especially in major cities of China.
| A．referring to | B．referred to |
| C．referred | D．to be referred |