_____ the development of the country, most people are living happily.
| A．On | B．With | C．In | D．For |
We try our best ___ English and we practice ____ English every day.
| A．to learn ; speaking | B．learning ; speaking |
| C．learning ; to speak | D．to learn ; to speak |
Although she always stays at home, she knows what’s ______ in the city.
| A．go on | B．going | C．going on | D．about |
We arrived _____ Shanghai______ the morning of July 2nd.
| A．at, in | B．at, on |
| C．in, in | D．in, on |
We have to stay at home ________ the heavy rain.
| A．because | B．because of | C．but | D．and |
You can buy tickets ______ here.
| A．the most quick | B．the more quick |
| C．the most quickly | D．the more quickly |