This species has nearly _________because its habitat is being destroyed.
| A．died down | B．died out | C．turned down | D．turned up |
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 |
I was about to go to bed _____ one of my old classmates made a call to me.
| A．when | B．as | C．while | D．that |