Question

the mistakes in each sentence:
(20m)
35-I send a letter to my friend last week
a b c
36- Mona is an teacher.
a b c
37- everest is the highest mountain
a b c
38- A film is watched by him yesterday.
a b c
………………………………

Answer 1

35- I sent a letter to my friend last week .
36- Mona is a teacher.
37- Everest is the highest mountain.
38- The film was watched by him yesterday.