Find the word which should not be i

Find the word which should not be in the sentence.
39. When my grandfather went to Switzerland he bought for
40. me a watch. For 20 years it kept up perfect time.
41. Then it suddenly was stopped. I took it to a shop
42. but they couldn't to find anything wrong. So I
43. had sent it back to Switzerland. It came back working
44. again; that was before 10 years ago and it hasn't stopped since.

Результаты (английский) 1:

Find the word which should not be in the sentence.39. When my grandfather went to Switzerland he bought for40. me a watch. For 20 years it kept up a perfect time.41. Then it suddenly was stopped. I took it to a shop42. but they couldn't to find anything wrong. So I43. had sent it back to Switzerland. It came back working44. again; that was before 10 years ago and it hasn't stopped since.

Результаты (английский) 2:

Find the word which should not be in the sentence.
39. When my grandfather went to Switzerland he bought for
40. me a watch. For 20 years it kept up perfect time.
41. Then it suddenly was stopped. I took it to a shop
42. but they could not to find anything wrong . So I
43. had sent it back to Switzerland. It came back working
44. again; that was before 10 years ago and it has not stopped since .

Результаты (английский) 3:

find the word which should not be in the sentence.39. when my grandfather went to switzerland he restaurant for40. me a watch. for 20 years i kept up well.41. then it suddenly was stopped. i took it to a shop42. but they couldn "t to find anything wrong. so i43. had sent it back to switzerland. it came back to44. well, that was before 10 years ago and it hasn"t stopped since.