选择所给的单词或词组的适当形式填空

选择所给的单词或词组的适当形式填空
knock at,reach,with,it trouble,easy,live,care,turn off,write to,be busy doing.
1.We mustr hlep others whenthey are ----.
2.Mike ---- his grandpa every month.
3.When I was cooking,I head some ----the door.
4.Please ----the radio when you leave.
5.Be ----!the ice is not thick.
6.Wei fang did not go to see the film last Sunday ,because she ----ler homework.
7.Our teacher had talked
8.The text is ----of all .
9.His brother ---- Beijing an hour ago.
10.Miss Green ---- here since 1980.