Luis is____a lot of stress right now because he has been addicted____drugs.
| A．on; to | B．under; to | C．with; into | D．in; in |
Mathematics _______ the language of science.
| A．are |
| B．are going to be |
| C．is |
| D．is to be |
Stories of the Long March _______ popular with the young people now.
| A．is |
| B．was |
| C．are |
| D．were |
Three million tons of coal ______ every year in the city.
| A．is exploited |
| B．are exploited |
| C．had exploited |
| D．have exploited |
There _____ a lot of rubbish on the floor so I asked Mary to sweep _____ up.
| A．were; it |
| B．are; them |
| C．was; it |
| D．is; them |
The Olympic Games in the year 2008 ______ in Beijing of China, which ______ known to us all.
| A．is to hold; is |
| B．is to be held; was |
| C．are to hold; is |
| D．are to be held; is |