Every one of us must know：________we live can we save the earth.
| A．by changing the way only |
| B．only by changing the way |
| C．by only changing the way |
| D．by changing only the way |
. Are you ________ of the mistakes you made in your final English test?
| A．awared | B．unforgettable | C．awaring | D．aware |
In my opinion, what he told us just now about the matter doesn’t make any_______.
| A．meaning | B．idea | C．sense | D．point |
The pen, _____ I paid 2 dollars, was lost.
| A．to which | B．for which | C．which | D．that |
We travelled together as far as Chicago, _____ we said goodbye to each other.
| A．which | B．when | C．why | D．where |
_____ was expected, he failed in the exam.
| A．That | B．As | C．Which | D．It |