英英匹配。从右栏中找出与左栏相对应的句子，将序号填入题前括号内。
My coat isn’t as good as ________ .
A. you B. your C. yours
_______ school bag is heavier, yours or mine.
A. Whose B. Who’s C. Who
The city post office is ______ Zhong Shan Road.
A. on B. in C. at
I’m good _____ Maths, but I’m not doing well _____ PE.
A. in, at B. at, in C. at, at