Is this sentence correct?

"I'm having a great time."

They __________ a beautiful home.

 __________ an account with us?

She __________ brown hair.

Can I call you back in a few minutes? I __________ lunch right now.

 I __________ a suggestion.

She __________ a lot of managerial experience.

 They __________ a lot of engineers on the team.

9. Have you seen my phone? I __________ trouble finding it.

10. Is this sentence correct?

"We're having some trouble with the Internet right now."