— Where is Ben? — He _____ to the teachers’ office. He will be back soon.A. go B. has gone C. has been
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.
My sister has been learning skating for __________.