The boy doesn’t know how to _________ English words in a dictionary.
The train ______ Beijing is going to set off.
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 ___________.