---- Who are playing football in the gym now?
---- ________ the students from No. 1 Middle School.
| A．They are | B．It is | C．There are | D．That is |
Professor Jordon is well known for his _____ into the habits of the common housefly.
| A．examination | B．introduction | C．research | D．expression |
I support your decision, but I should also make it clear that I am not going to be _____ to it.
| A．connected | B．fastened | C．bound | D．stuck |
In spite of the thunderstorm, the children slept _____ all night.
| A．densely | B．soundly | C．loudly | D．noisily |
They did not find _____ to prepare for the worst conditions they might meet.
| A．worth their while | B．it worthwhile | C．it worth | D．it worthy |
The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.
| A．likely | B．capable | C．possible | D．probable |