4. Выберите правильный ответ:(напишите правильный вариант)

1) Columbus ___________ America.

1) discovered

2) discovering

3) were discovering

2) He ____________ well from his accident.

1) was recovering

2) were recovering

3) had recovering

3) He _________ a lot of experiments last week.

1) were

2) did

3) was

4) He came home and realised that he ________ his keys.

1) had forgotten

2) forget

3) forgotten

5) I ___________ him yesterday

1) didn’t see

2) wasn’t seeing

3) weren’t seeing