---- Could you do me a favour and take the box up to the six floor? ---- ______. No problem at all.
| A.With please | B.My pleasure | C.For pleasure | D.at your pleasutre | 
Remember to give your parents my regards when you ________ home.
| A.phoned | B.phone | 
| C.will phone | D.have phoned | 
All the Harry Potter books by Joanne Rowling, a poor single mother ________ in Edinburgh, ________ all over the world.
| A.lives; are well sold | B.lives; sell good | 
| C.living; sell well | D.living; are well sold | 
—Lily is going to make a presentation in class this afternoon.
 —Oh, really? I ________ it was Michael's turn.
| A.think | B.have thought | 
| C.thought | D.am thinking | 
The house is dirty because it ________ since they moved out.
| A.doesn't clean | B.isn't cleaned | 
| C.hasn't cleaned | D.hasn't been cleaned | 
Now we have arrived at the lake. But the view I photographed that day ________ any more.
| A.doesn't exist | B.isn't existing | 
| C.hasn't existed | D.hadn't existed |