_____ boy in a black hat is my brother. He often plays _____ chess with my friends.
考查冠词用法。第一空是特指戴黑色帽子的男孩，用定冠词 the；第二空后面 chess 是象棋，棋牌类名词前不用冠词，故答案选选项B。
RT-Mart has a great sale on July 1st. Many kinds of vegetables are _____ good prices.
考查介词辨析。at good prices 意为“以优惠的价格（出售）”。句意：大润发超市在七月一日有大促销活动，很多种蔬菜优惠出售。
根据对话内容，从选项中选出能填入空白处的最佳选项，其中有两个为多余选项
A: 1.
B: Yes,please. I want a skirt for my daughter.
A: 2.
B. Green or blue.
A: Look at the skirts over there. We have different colors. Which one do you like?
B: I think the green one is nice.3.
A: It's 120yuan.
B:Oh,it's too expensive（贵的）
A: 4.It's only 60yuan.
B: It's cheap（便宜的）,but it is big. 5.
A: Yes,we do. Here you are.
B: OK. I'll take it.
A. What color do you like?
B. Can I help you?
C. What color is it?
D. Do you have a small one?
E. What about this one?
F What's the price?
G. Thank you!
1. Can I help you?意为“你需要点什么吗？”，回答常用Yes,please./No,thanks.等。
2. 根据答语可知此句是询问喜欢什么颜色的。
3. 由答语可知此句是询问价格的，故答案选F。
4. 根据前一句 "Oh,it's too expensive." 可知售货员在征求意见，问另一件怎么样，故答案选E。
5. 由前一句中的big可知此处是说想要一个小的，故答案选D。