问题
选择题
—I wonder _______ like to be an astronaut (宇航员).
—I don't know, but I imagine it's exciting. [ ]
A. what is it
B. what it is
C. whether is it
D. whether it is
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—I wonder _______ like to be an astronaut (宇航员).
—I don't know, but I imagine it's exciting. [ ]
A. what is it
B. what it is
C. whether is it
D. whether it is
答案：B
和
浓度相等。则已反应的