Shall I book some seats for the concert —______. I’ve done that.

(2013·高考重庆卷)John invited about 40 people to his wedding，most of________are family members.

I often go swimming in summer.________________ —Ioften stay at home.

The island is________attractive in spring and autumn because of the pleasant weather in both seasons

_ have finished his work; Otherwise,he wouldnot beenjoying himself by the seaside