A:write
B:wrote
C:has writte
D:had writte
— How I missed my family and friends when I was abroad!
— Me too. ______.
①推理想象,提出假说
②设计实验,验证预期
③观察分析,提出问题
④演绎推理,做出预期
前面是花坛,花坛的正____面,是图书馆,图书馆的____边,就是卫生间.