She looks very sad. I want to help her , but I just don’t know_________ to do.
Miss Hyde _________ 20 dollars buying a new handbag last week.
He walked _________ fast for us _________ catch up with(赶上)。
She ________ the national table tennis team in 1988.
--Were there any seals in the zoo?---________.
---What is he going to_____ when he ____up? ---He’s going to be a doctor.