用occur, strike的适当形式填空

1.      It had never ________ to him that he might be falling in love with her.

2.      I suppose it didn't ________ to you to phone the police.

3.      It ________ her that losing the company might be the least of her worries.

4.      The frequent ________ of earthquakes in the area means that the buildings must be specially designed to withstand the force.

5.      She fell heavily, ________ her head against the side of the boat.

6.      The victim had been ________ with some kind of wooden implement.

7.      They're ________ for the right to have their trade union recognized in law.

8.      Opponents of the war say that civilian villages have been ________ several times.

9.      The church clock began to ________ twelve.