1. Choose the correct answer.
a. I can't find my keys. . are they?
b. . did you arrive in France?
c. I wasn't listening. . did she say?
d. I don't understand his attitude. . did he do that?
e. I found a wallet on the floor, so I picked it up and said: “. wallet is this?”
f. This dress is too expensive. . is that one?
g. We looked at several necklaces, and Anna said: ". one do you prefer?”
h. Your English is very good. . have you been studying it?
i. “How come?" is a more informal way of saying: .