The witnesses ________ by the police just now gave very different descriptions of the fight.
| A．having questioned | B．being questioned |
| C．to be questioned | D．questioned |
Sorry, these two tables are already ______. You may book the one over there.
| A．preserved | B．deserved | C．observed | D．reserved |
—You see, I’m poor in physics and you are not good at chemistry, and……
— That’s _______ we should help each other.
A. when B where C. how D. what
You'd better change another book, because ______ page of the book is torn, and ______ cover looks very old.
| A． | a; the | B． | the; a | C． | the; the | D． | a; a |
Although Jack has made good preparations for the match, he is still about his chance of winning.
| A．stubborn | B．steady | C．sceptical | D．straightforward |
It’s quite natural that kids like to play with friends _______ their own age.
| A．of | B．at | C．with | D．in |