Помогите пожалуйста задание небольшое!!!
Вставьте слова те которые в скобках в нужной форме !

Last week I paid* four hundred rubles for my new pair of mittens. (pay)
Ann ____ a beautiful piece of music on the piano now. (play)
What ___ in your biology class yesterday? (happen)
She is a very good student and seldom ___ mistakes. (make)
I am ___ at physics than at maths. (good)
Bob"s parents gave ___ a computer for ___ birthday. (he, he)
If Sarah finishes the ___ form without bad marks, she will go to Rome with her parents. (three)
There are two ___ in his pencil case. (ruler)
We ___ their e-mail as soon as we _______ it. (answer,get)
Jason _____ some new words on the blackboard when our history teacher came in. (write)