13是（ ）位数，个位上是（ ），表示（ ）个（ ），十位上是（ ），表示（ ）

Mr. and Mrs. Brown have two children, Mike and Liz. The whole family are all busy, so they often leave notes for each other. Read these notes and answer following questions.

①3:30 p.m. To Mike, Mr. Tyler rang. No football practice today. I’m going to Donna’s house to play and be back at 5:00 p.m. Liz

② 4:00 p.m. 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. Mike

③6:45p.m. Has anyone seen my tennis shoes? I’m in my bedroom doing my homework. Mike

④9:00 p.m. I saw your shoes this morning. They smelt terrible so I put them outside the back door. Good night, dears! Mum

小题1:When will Liz be back home?

A．At 3:30 p.m.

B．At 4:00 p.m.

C．At 5:00 p.m.

D．At 9:00 p.m.

小题2:Who should walk the dog today?

A．Mike.

B．Mrs. Brown

C．Liz

D．Mr. Brown

小题3:What’s Mike probably doing at 6:50 p.m.?

A．Practicing football.

B．Going to Donna’s house.

C．Playing tennis.

D．Doing his homework.

小题4:Where can Mike find his tennis shoes?

A．In his bedroom.

B．Outside the back door.

C．In the living room.

D．At Donna’s house.

小题5:According to the notes, Teddy is          .

A．Mike’s mother.	B．Mike’s brother.
C．Mike’s football coach.	D．the dog in the family.