Question

Раскройте скобки She (be) nine next month I think I (go)to the county tomorrow She (arrive) next Sunday We (move)in a new house next Sunday

Answer 1

She is
I'm going
She is arriving
We are moving

Answer 2

She (be) nine next month

The correct form of the sentence would be "She will be nine next month." This is a future tense statement indicating that she will turn nine in the upcoming month.

I (go) to the county tomorrow

The correct form of the sentence would be "I am going to the county tomorrow." This is a present continuous tense statement indicating that the speaker has plans to go to the county on the following day.

She (arrive) next Sunday

The correct form of the sentence would be "She will arrive next Sunday." This is a future tense statement indicating that she will arrive on the upcoming Sunday.

We (move) in a new house next Sunday

The correct form of the sentence would be "We will move into a new house next Sunday." This is a future tense statement indicating that the speaker and others will relocate to a new house on the upcoming Sunday.

Please note that the information provided above is based on the correct usage of verb tenses in English grammar.