问题
选择题
A young man ________ John bought this expensive painting. [ ]
A. name
B. call
C. name
d
D. calls
答案
答案：C
搜题请搜索小程序“爱下问搜题”
A young man ________ John bought this expensive painting. [ ]
A. name
B. call
C. named
D. calls
答案：C
Cu+CO2；⑤2H2O
2H2↑+O2↑[ ]