is this book your ________(brother) ____(pick)the flowers,please.

问题描述:

is this book your ________(brother) ____(pick)the flowers,please.
1.is this book your ________(brother)
2.____(pick)the flowers,please

第一格应用名词所有格即brother's;第二格应是祈使句,所以用动词原形就行了,即pick