--- the weather like in Guangzhou?
--- It's sunny.
A：What
B：What's
C：How
D：How's
Tom Kate since two years ago, and they have had a child.
昨晚我太累了以至于很快就睡着了。（完成译句）
I was so tired that I ____ ____ quickly last night.
关于绝缘体的说法，下列正确的是（ ）
