____, he does not know the answer.
The policeman asked ________ with the old woman.
The task requested _______ did it _______ careful and brave enough.
As is known to all language learners, the newly learnt words will soon be forgotten unless _________ used in everyday communication.
---- How are you getting on with your English study? ---- ______________.
By _____ 1600’s Shakespeare was able to make _____ use of _____ wider vocabulary than ever before.