①《新青年》 ②江南制造总局 ③戊戌六君子 ④孙中山总统府办公处
A: Hello, Kate. ____
B: That's beautiful. I like it.
A: ____
B: I need four.
B: They're funny.
A: You can also buy a T-shirt for your friend.
B: ____
A. Good idea.
B. What about these caps?
C. Come and look at this cap.
D. How many caps do you need?
E. Let's go.
Take action today ______ you won't miss your windows of opportunity.
用2,9,4可以组成____个不同的两位数。