-- Excuse me, Sir. You_________take your camera into the museum. -- Sorry, I didn't know and I promise you I_________.
We believe ________ we can find out the wonder drugs to H7N9 bird flu.
The Frenchman pointed to the spoon and asked me ________ to call that in Chinese.
We have realized ________ she is expecting is just an opportunity to test her ability.
—Haven't I seen you some place before? —Yes. That's ________ I don't go there anymore.
His writing is so confusing that it's difficult to make out ________ he is trying to express.