(In Los Angeles)
 Amy: We finally arrived   (6)     the USA. How will we get to Grandma's house?
 Dad: First, we'll go to Roswell   (7)      . Then, we'll go to Grandma's house   (7)      .
 Mom: And then we'll go camping all together.
 Meg: Can we also go alien hunting? That'll be so   (8)   .
 Amy: Wake up, Meg! There are no aliens!Meg: How do you know?
 Dad: Stop, girls. I can't find our e-tickets to Roswell!
 Mom: Don't worry.   (9)     !(On the way to Grandma's house)
 Dad: My goodness! Our car broke down. What   (10)       we going to do?
 Mom: Let's go to Grandma's house on foot. It's not far from here.
 Meg: Can we take a taxi there? We're in a desert!
 Dad: Wait! I hear something.
 Mom: What's that sound?
 Meg: Alien! It's an alien! Let's get the camera ready.
 Amy: It's Grandma. She's driving a jeep! 
【題組】6.
(A) in
(B) at
(C) on
(D) for