раскрыть скобки употребив глагол в нужном времени
1.Mike (to swim) in the
swimming-pool while I was sitting and watching him.

2.They went home
after they (to solve) this problem.

3.Mike got tired after he (to
swim) 3 miles.

4.She (to clean) the
rooms before she went out.

5.They (to have
dinner) at 2 o'clock yesterday.

6.They said (to
learn) Spanish for six months last year, but she can't speak.

7.She (to clean) the
rooms when somebody knocked at the door.