The Smiths have two children， Mike and Liz. They are all busy， so they often leave notes for each other. Read these four notes of today and answer the following questions.

①4：00 pm To Liz， It's your turn to walk the dog. I have to do my homework after school. Remember to play with Teddy when you get home! Dad

②6：45 pm To everyone， Has anyone seen my tennis shoes？ I'm in my bedroom doing my homework. Mike

③9：00 pm To Mike， I saw your shoes this morning. They smelt terrible， so I put them outside the back door. Good night， dears! Mum

（1）Who should walk the dog today？　　

A. Liz.

B. Mike.

C. Mrs. Brown.

D. Mr. Brown.

（2）What is Mike doing at 6：50 pm？　　

A. Playing tennis.

B. Practicing football.

C. Doing his homework.

D. Walking the dog.

（3）Where can Mike find his tennis shoes？　　

A. In his bedroom.

B. In Liz's bedroom.

C. In the living room.

D. Outside the back door.