联合国维和部队队员戴着什么颜色的贝雷帽?
参考答案:
联合国维和部队队员戴着蓝色的贝雷帽。
It's time______Henry______home.[ ]
A. of, to go
B. for, to go
C. of, going
D. for, going
材料与化学密切相关,表中对应系错误的是[ ]