How about ____?
| A．to go out for a walk | B．go swimming in the river |
| C．visiting the sick children in the hospital | D．to having lunch in the restaurant |
All the photographs in this book,stated otherwise, date from the 1950s.
| A．unless | B．until | C．once | D．if |
The limits of a person’s intelligence, generally speaking ,are fixed at birth, but he reaches these limits will depend on his environment.
| A．where | B．whether | C．that | D．why |
The police still haven’t found the lost child, but they’re doing all they .
| A．can | B．may | C．must | D．should |
They are broadening the bridge to the flow of traffic.
| A．put off | B．speed up | C．turn on | D．work out |
There are a small number of people involved possibly twenty.
| A．as few as | B．as little as | C．as many as | D．she has noticed |