You _____ down everything I said! You can find it on this sheet I’m handing out.
| A．shouldn’t have taken | B．must not have taken |
| C．cannot have taken | D．needn’t have taken |
Rather than ____ on a crowded bus, he always prefers ____ a bicycle.
| A．ride; ride | B．riding; ride | C．ride; to ride | D．to ride; riding |
. After class they will discuss the _____ to the study of physics.
| A．approaches | B．means | C．methods | D．ways |
By the end of 2007, about half a million peo
ple had flooded into the city, ____ up around 10 percent of its total population.
| A．make | B．made | C．making | D．to be made |
We must avoid _____ a bad impression on others in public places .
| A．to leave | B．leaving | C．to have left | D．leave |
The ______ boy was last seen ____ near the East Lake.
| A．missing; playing | B．missing; play | C．missed; played | D．missed; to play |