_____ you are my best friend, I’ll tell you the secret, but it is only between you and me.
—Excuse me, could you tell me the way to the British Museum? —Sorry, I’m a stranger here. —_______.
—Shall we go to see the snow sculptures (雕塑)? —______.
Many English learners find that ______ pronunciation helps them improve a lot.
More and more women are working in this factory, ______ more than 40% of the workers.
To tell you the truth, I have a hard time remembering all the ______ rules of English grammar.