【2012贵州毕节】—I have ______ in learning English and I’m so worried. Could you help me with it? —Sure, I’d love to.
—I don't know ____ or not.—Neither do I.You may ask his teacher.
I didn't know ____.
—What did your father say?—He asked us ____.
—Could you tell me ____?—Sure. Walk straight along this street and you'll find it.
—Philip has gone to New Zealand.—Oh,can you tell me ____?