A:巴拿马运河
B:白令海峡
C:马六甲海峡
D:直布罗陀海
用硫酸铜进行如图所示的实验,对所得溶液的分析正确的是( )
The job is so ________ that I could ________ finish it on time.
读一读,选词填空。
the Who violin Whose Ann's What play