① (龙东地区中考)— Mum, let's order some food online for dinner, ______?
— Good idea. I'd like some beef dumplings.
A. will you B. won't you C. shall we
② (绥化中考)Jean knew nothing about the news until her aunt told her, ______?
A. didn't she B. did she C. didn't Jean
③ — There isn't any milk in the fridge, ______?
— ______. Let's go and buy some this afternoon.
A. is there; Yes, there is
B. isn't there; Yes, there is
C. is there; No, there isn't
D. isn't there; No, there isn't

① C 以 Let's 开头的祈使句的附加问句为 shall we。② B 陈述句中含有否定词 nothing,所以附加疑问句用肯定形式。③ C 在反意疑问句中,陈述句是否定式,附加问句用肯定形式;由“Let's go and buy some this afternoon.”可知,的确没有牛奶了。

请为以下各句中的黑体单词选择相应的含义
a. The International Red Cross was founded in 1863.
b. Bob found his pen under his bed just now.
A.发现
B.创建

a. B b. A