I’m sorry you’ve been waiting so long, but it is still some time ____ Brian gets back.

The silk dress ____ so smooth. It’s made in China.

The teacher is already standing here. Do you know when she ______?

is he?–He is PSY. He sang the song Gangnam Style (《江南Style》).

Who else do you know at the party _______ Jim and Tom? —Lucy and Lily. [ ]