_____worried about me，Mom.I’ve grown up.
| A．Don’t | B．Don’t be | C．Not | D．Not be |
That _____ my ruler.
| A．is | B．are | C．am | D．be |
.My father’s mother is my ____.
| A．aunt | B．sister | C．uncle | D．grandmother |
—______my baseball?— It’s under the chair.
| A．Where | B．Where’s | C．Where’re | D．Is where |
,Grace. Is this your pencil?
| A．Sorry | B．Excuse me |
| C．Nice to meet you | D．How are you |
— Let’s play computer games.
— _______. Let’s go.
| A．I don’t have a computer. | B．That’s boring. |
| C．I have TV. | D．That sounds good. |