________ help the people in the snowstorm in the South made him worried.
| A．Not known how to | B．Unknown what to do to |
| C．His knowing not how to | D．His not knowing how to |
The reason ______I burst into tears is _________ I don’t want to leave my mother.
| A．why; that | B．which; because |
| C．/ ; because | D．why; because |
---What do you think of the furniture on exhibition?
---Well, great! But I don’t think much of ______ you bought.
| A．ones | B．it | C．which | D．What |
---Have you seen Tony recently？
---No, but I ______ dinner with him on Sunday.
| A．would have | B．have had |
| C．have been having | D．am having |
---Isn’t she going on ______ diet?
---No. She still sticks to ______ rich and heavy one.
| A．the; the | B．a; a |
| C．the; a | D．a; the |
---Why not buy the beautiful necklace since you like it so much?
---I would but I _____ have enough money.
| A．didn’t | B．shouldn’t |
| C．don’t | D．hadn’t |