While building a tunnel through the mountain, _____.
| A．an underground lake was discovered |
| B．workers discovered an underground lake |
| C．there was an underground lake discovered |
| D．a lake was discovered underground |
If you grow up in ______large family ,you are more likely to develop _____ability to get on well with ______others .
| A．/,an the | B．a, the ,/ | C．the ,an ,the | D．a, the ,the |
I can’t remember when exactly the Robinsons left _____city ,I only remember it was ______ Monday.
| A．the , the | B．a ,the | C．a, a | D．the, a |
It is often said that ____teachers have _______very easy life.
| A．/,/ | B．/,a | C．the,/ | D．the, a |
If you go by ______train ,you can have quite a comfortable journey ,but make sure you get _____fast one.
| A．/, / | B．/, a | C．the, a | D．/,/ |
______recent report stated that the number of Spanish speakers in the U.S .would be higher than the number of English speaker by_____ year 2090.
| A．the | B．A, / | C．The ,/ | D．The, a |