Помогите пожалуйста:
Choose the correct answer.

1) He … troubled yesterday.
a) Looked b) is looking c) had looked

2 )They … football from 2 till 5 yesterday.
a) Played b) were playing c) had played

3) He … his work by that time.
a) Finished b) was finishing c) had finished

4) What … you … at 5 pm yesterday?
a) Did … do b) were … doing c) had …done

5) Where … you … your summer holidays?
a) Did … spend b) were … spending c) had … spent