-- The classroom looks like a mess!
-- Yes, but who left the waste paper ______ around?
| A．lie | B．to lie | C．lay | D．lying |
The newly-built bridge ______ the beauty of the city.
| A．adds up to | B．adds to |
| C．adds up | D．is added to |
Only in this way ______ learn English well.
| A．you can | B．can you |
| C．should you | D．you should |
With so much homework to do，David told his sister_____so much noise.
| A．to make not | B．not to make |
| C．not making | D．making not |
They talked for about an hour of things and persons __________ they remembered in the school.
| A．who | B．which |
| C．whom | D．that |
It was because of his kind nature _______I fell in love with Peter.
| A．before | B．when |
| C．that | D．since |