The pavements are designed to provide easy access for the blind to _______conveniently, which is bound to_______ active effects on people’s opinion on the government’s performance.
| A．walk ; produce | B．walking ; producing | C．walk ; producing | D．walking ; produce |
The stone bridge __ _last year is very beautiful.
| A．built | B．was built | C．being built | D．to be built |
Come and see me whenever ___________.
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．it will be convenient to you |
Tom raised his handsto say something, but he remained silent in the end.
| A．even if | B．as if | C．so that | D．now that |
Not until the early years of the 19th century ________ what heat was.
| A．man did know | B．did man knew |
| C．didn't man know | D．did man know |
_______ in a friendly way, their quarrel came to an end.
| A．Being settled | B．Settled | C．Settling | D．Having settled |