A:安南
B:加利
C:潘基文
D:古特雷斯
如图所示装置可用于多种实验.
① 凉开水② 碘液③ 生理盐水④ 清水⑤ 镊子⑥ 消毒牙签
Tom and his sister ______ to the barbecue last Saturday.They were very happy.