Alice was supposed _____ at home, but her mother found her surfing the Internet．
| A．studying | B．to be studying |
| C．to have studied | D．studied |
As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.
| A．primary | B．alternative | C．instant | D．unique |
Ten years ago the population of our village was ______ that of theirs.
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |
Last night Mr. Crook didn’t come back at the usual time. ______, he met some friends and atayed out unitl midnght.
| A．Meanwhile | B．However | C．Instead | D．Yet |
The children loved their day trip, and they enjoyed the horse ride .
| A．most | B．more | C．less | D．little |
Peter’s jacket looked just the same as Jack’s, but it costhis.
| A．as much twice as | B．twice as much as |
| C．much as twice as | D．as twice much as |