用it或there填空1.____________is a pity that he could not come.2.

用it或there填空
1.____________is a pity that he could not come.
2.____________is a bus that leaves in ten minutes.
3.____________were some men digging up the road outside my house.
4.Look at those clouds .I think ____________will be a thunderstorm.
5.____________is unusual for him to be late.
6.____________has been very cold this yesr.
7.____________has been no news of him .
8.I am sure ____________will be fine tomorrow.
9.After dinner____________will be a long dischssion on politics.
10.When will____________be convenient for you to come?