____, I had to buy a new one.
| A．My dictionary losing | B．My dictionary having been lost |
| C．Because my dictionary lost | D．My dictionary had been lost |
. China has hundreds of islands, _____ is Taiwan.
| A．the largest of which | B．of which largest |
| C．which the largest | D．in which the largest |
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 |
With the guide _______ the way, we finally got to the village which we were looking for.
| A．led | B．leading | C．to lead | D．had led |
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 |