There is no need __________,because the flight has been cancelled.
English is a language shared by several diverse cultures, _________ uses it differently.
We won’t start the work until all the preparations __________.
---How long have you been learning English? ----_________! Your English is so good.
My parents always _______ great importance to my getting a good education.
Life the like ________ ocean; Only ________strong-willed can reach the other shore.