. I can’t receive your phone call at 8 o’clock tomorrow, because I ____ the meeting.
A am attending B will attend C will be attending D am to attend
_____ 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 |
In much of the animal world, night is the timefor sleep-pure and simple.
| A． | set aside | B． | set down | C． | set off | D． | set up |
Butterflies ______ a sweet liquid produced by flowers, which bees and other insects collect.
| A．carry on | B．feed on | C．put on | D．focus on |
According to the law, all foreigners have to ______ with the local police within two weeks of arrival.
| A．associate | B．dispute | C．negotiate | D．register |