СРОЧНО НУЖНЫ ОТВЕТЫ ПЯРМ ВООБЩЕ

5.I can’t come at the moment. I … a window.
Выберите один ответ:
a. has been cleaning
b. clean
c. am cleaning
d. cleans
e. was cleaned
6.When they came, their children ... computer games for three hours already.
Выберите один ответ:
a. played
b. are playing
c. have been playing
d. had been playing
e. were playing
7.Choose the right tense
Water … at 100 degrees Celsius.
Выберите один ответ:
a. boiled
b. boils
c. is boiled
d. is boiling
e. has boiled
8.I ... money when I was buying presents.
Выберите один ответ:
a. have been loosing
b. was loosing
c. are loosing
d. lost
e. was lost