---The window is dirty.
----I know. It ______ for weeks.
| A．hasn’t cleaned | B．didn’t clean | C．wasn’t cleaned | D．hasn’t been cleaned |
Generally speaking, the family, not the school, plays therole in educating children for life.
| A．potential | B．primary | C．personal | D．professional |
—Hey, Tina. Can I ask you a question?
—Sure. ____
| A．Why not? | B．What's up? | C．So what? | D．What for? |
—Chris, how about going to a seafood restaurant?
—! I told you I don't like the smell of fish．
| A．Whatever | B．Not again | C．You bet | D．No wonder |
Though brought up in Los Angeles, Steven Davidson spent his whole lifein New York．
| A．mostly | B．constantly | C．roughly | D．merely |
Minister Bill De Blasioin office fewer than 48 hours when he came face to face with his biggest challenge in his life．
| A．has been | B．had been | C．would be | D．is |