---I ________ myself more---it was a perfect day.
---Me, too. It’s years ________ I enjoyed myself so much.
| A．couldn’t have enjoyed; since |
| B．needn’t have enjoyed; since |
| C．wouldn’t have enjoyed; before |
| D．shouldn’t have enjoyed; before |
--- I take the book out?
---I'm afraid not.
| A．Will | B．May | C．Must | D．Need |
_______ that he was in great danger, Eric walked deeper into the forest.
| A．Not realized | B．Not to realize | C．Not realizing | D．Not to have realized |
_____twice, the postman refused to deliver our letters unless we chained our dog.
| A．Being bitten | B．Bitten | C．Having bitten | D．To be bitten |
We are invited to a party______ in our club next Friday.
| A．to be held | B．held | C．being held | D．holding |
Tony was very unhappy for ______ to the party.
| A．having not been invited | B．not having invited |
| C．having not invited | D．not having been invited |