It’s reported that scientists have________ an effective way to deal with H1N1.–Really That’s great!

There __________ snow in Canada every year.

．—________ have you been a reporter—For more than threeyears．

________ do you usually do when you are free –I often read something interesting.

Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.