______ has helped to save the drowning girl is worth praising.
| A．Who | B．The one | C．Anyone | D．whoever |
What ________great fun it is to have a swim on a hot day in summer!
| A．a | B． the | C．an | D．\ |
and happy, Tony stood up and accepted the prize.
| A．surprising | B．Being surprised | C．Surprised | D．To be surprising |
He found them at a table chess.
| A．sat; to play | B．sitting; to play | C．seated; playing | D．seat; playing |
Although she has a lot of problems, she managed to remain .
| A．optimistic | B．cautious | C．concert | D．anxious |
The old professor told us that every part of the materials should be made use of _________the station.
| A．building | B．to build | C．build | D． being build |