--Look! Somebody the sofa.
--Well, it wasn’t me. I didn’t do it.
| A．is cleaning | B．was cleaning | C．has cleaned | D．had cleaned |
—Is this pen yours, Maria?
—No, it’s not . It’s Mary’s.
| A．hers | B．his | C．mine | D．me |
—Come on, please give me some ideas about the project．
—Sorry．With so much work ____ my mind, I almost break down．
| A．filled | B．filling | C．to fill | D．being filled |
_____ treating the homeless man as a shame to society, Mrs．Wang provided him with food and water．
| A．Instead of | B．As a result of | C．In the event of | D．Regardless of |
—Mr．Smith, I wonder if I could take Friday off?
—____? It's a bit difficult with so many people away on holiday, you know．
| A．How come | B．What about |
| C．Where are you going | D．Do you really have to |
He must have had an accident, or he ____ here for class then ．
| A．had to be | B．should be | C．would be | D．would have been |