A:2
B:-2
C:15
D:不存在
He eats ______ dinner at 7:30 in the evening.
实验要求
方案
A
盐水和糖水
尝味道
B
空气和二氧化碳
插入带火星的木条
C
酒精溶液和蒸馏水
观察颜色
D
碳粉和铁粉
分别用磁铁吸引
— Please say something about Zheng He.
— Oh! He is the Ming dynasty explorer of ______ all the Chinese are proud.
为每句话选出合适的答语。
A. Ten gifts.
B. Sure. Here you are.
C. Thank you.
D. Great!
E. I'm fine. Thank you.
F. I'm ten.