挑战习题
1/5单选题
难度:

1.

- ______ bike is this ?

- I think it's Peter’s.


A

Who

B

Which

C

Whose

D

What

提示1:
PHA+V2hvc2Ug6LCB55qEPC9wPg==
正确答案:Qw==
PHA+6Kej6aKY5oCd6Lev77ya5qC55o2u5Zue562U4oCcSSB0aGluayBpdCdzIFBldGVyJ3PigJ3lj6/nn6XnlKjlvaLlrrnor43mgKfniankuLvku6Por413aG9zZeaPkOmXruOAguaVheacrOmimOmAiUPjgII8L3A+