根据图中信息判断,如图所示截图属于第一次世界大战前夕示意图的是( )
A:
B:
C:
D:
把正确答语前的字母填到横线上
①6How many birds do you see?____
②I'd like car 18,please.____
③What's this?____
④How many balls do you have?____
a. I have 11. b. OK c. My new crayons d. I see 15.