—Open the window please, Mike.—____________? I didn’t hear what you said.
Sonia has some problems ________Chinese. Who would like to help her?
I have been to the park many times. Let’s go to the museum _______.
Have you ever ________ to Qingdao? There is ______ aquarium at the seaside.
Your brother has lunch at home, _______?
---Tom, please take out the trash. ---OK, _______, mom.