No sooner _____ themselves in their seats in the theatre _______ the curtain went up.
| A．they have settled; before | B．had they settled; than |
| C．have they settled; when | D．they had settled;than |
Can you find me something ______?
| A．that I can open the tin |
| B．to open the tin |
| C．I can open the tin with |
| D．by which to open the tin |
So sudden ______ that the enemy had no time to escape.
| A．did the attack | B．the attack did | C．was the attack | D．the attack was |
–I’m sorry. I _______ at you the other day.
--Forget it. I was a bit of out of control myself.
| A．shouldn’t shout | B．shouldn’t have shouted |
| C．mustn’t shout | D．mustn’t have shouted |
Which of these paintings was painted by the famous artist Leonardo da Vinci? _______.
| A．None | B．No one | C．Nothing | D．Neither |
To turn off my cell phone before going to bed seems to be a rule .
| A．to never break | B．never to have broken |
| C．never to be broken | D．never to be breaking |