by a greater demand of vegetables, farmers have built more green houses.
| A．Driven | B．Being driven | C．To drive | D．Having driven |
------So you gave her your phone?
------_____, she said she’d return it to me when she could afford her own.
| A．My pleasure | B．Not exactly | C．No doubt | D．All right |
Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.
| A．a; one | B．a ; the one | C．the; one | D．the ; the one |
Lots of waste has been dumped into the river，which has led to________.
| A．lots of fish having been killed | B．kill lots of fish |
| C．lots of fish being killed | D．lots of fish to kill |
There was a________ look on his face when he met with the________ problem.
| A．confusing；confusing | B．confused；confused |
| C．confusing；confused | D．confused；confusing |
You’d better go there by train. The train ticket is________ the airplane ticket.
| A．as cheap three times as | B．as three times cheap as |
| C．three times cheaper than | D．cheaper three times than |