Cars make our life easier, _________ they bring environment problems.
| A．as | B．or | C．but | D．so |
— — Not bad , thanks.
A. How do you do? B. How are you doing? C. How is the weather?
—What beautiful clothes you are wearing! They must be expensive.
—No. They only me fifty yuan.
A. cost B. spent C. paid for
—Tom must be at home because the light in his house is on.
—Hebe at home, because I saw him playing basketball on the playground.
A. must B. can’t C. mustn’t
—I’m always afraid of giving a speech in front of the class.
— .You can do it well.
A. Not afraid B. Take it easy C. You are silly
—Whatnews! —Yes, all of the children were .
A. excited; exciting B. excited; excited C. exciting; excited