While we were running on the playground, Jack suddenly stopped____ and lay on the ground,so we all stopped_____ what was wrong with him.
A large number of children ________ standing outside the office when I got there. The number of the children _____ 2,500.
_______ a medicine box under her arm , Miss Zhao hurried to look after the man.
Linda often helps her mother ______ the housework on weekends.
Nobody thought it is easy to finish so much work in ___________.
________ plenty of fun things to do if you choose the travel path.