Drilling oil well was ________ work that he couldn’t finish it by himself.
| A．such difficult | B．such a difficult | C．so difficult a | D．so difficult |
They had camped once before, ____ they knew what to take.
| A．because | B．now | C．so | D．since |
____ you are dismissed.
| A．Neither you go nor | B．Either you go or |
| C．Whether you go or | D．Both you go and |
He is very old,____ he still works very hard.
| A．but | B．if | C．when | D．as |
---You are so lucky.
---What do you mean ____that?
| A．for | B．in | C．of | D．by |
Let's walk over ___the shop on the other side of the street.
| A．in | B．to | C．under | D．by |