The government should protect the old valuable buildings_______ they are not in harmony with the modern ones nearby.
| A．even though | B．as if | C．so that | D．now that |
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 |
1 make $2, 000 a week, 60 surely won't make __________ difference to me.
| A．that a big | B．a that big |
| C．big a that | D．that big a |
His plan was such a good one __________ we all agreed to accept it.
| A．so | B．and |
| C．that | D．as |
If the painting Mona Lisa is on your list of things to see, __________ sure to get there early as there will probably be a line.
| A．to be | B．be |
| C．making | D．to make |
Whoever leaves the room last must __________ that all the lights are turned off.
| A．be sure | B．make sure |
| C．find out | D．look out |