It was not _____ she took off her glasses_____ I realized she was a famous film star.

me, sir. Would you do me a favour—Of course. What is it—I ________ if you could tell me how to fill outthis form.

There was a time_____we went to the country and stayed with the farmers there

_______ will the fog and haze(雾霾) last —I have no idea. There is no sign of an end.

ou come tothe museum by bike yesterday —- No.Two meters of snow fell during the night. As a result, several mainroads __ .