______with the size of the whole earth, the biggest ocean does not seem big at all.
| A．Compare | B．Comparing | C．To compare | D．Compared |
–How far apart do they live?
–_____ I know, they live in the same neighborhood.
| A．As long as | B．As far as | C．As well as | D．As often as |
He was about to tell me the secret _____ someone patted him on the shoulder.
| A．as | B．until | C．while | D．when |
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
I have waited for her since _____.
| A．two hours ago | B．two hours before |
| C．two hours | D．two hour’s time |
We were all surprised when he made it clear that he _____ office soon.
| A．leaves | B．would leave | C．left | D．had left |