С: )надо поставить в правильное время. the house (paint). the windows (repair). the fence (repair), too. a new gate (make). the garden is very pretty now. a lot of flowers (plant) in it. we don't know who did these things or even when they were done. all we can say is that they (do).

The house was painted.The windows were repaired.The fence was repaired, too.A new gate was made.The garden is very pretty now.A lot of flowers were planted in it.We don't know who did these or even when they were done.All we can say is that they did.