Could you please tell me ____________ I can buy some stamps？
Yes． There is a post office on Center Street． （ ）
A．whyB．whereC．when
I'm going to the______ tomorrow． I want to borrow a few books about science．
A．museumB．libraryC．mountainD．hospital
______is your art teacher？
Mr．Miller． He is my favorite teacher．（ ）
A．WhatB．WhereC．HowD．Who
1 can't find my ruler． I don't know _____ it's somewhere in the living room．（ ）
A．soB．ifC．butD．be
Hello． Is Gina there？
Sorry， she's not home．（ ）
A．toB．atC．onD．of
My favorite sport is baseball．
So you can the baseball club．（ ）
A．giveB．playC．joinD．meet