______environmental damage is done，it takes many years for the ecosystem to recover

Linda, shall we go and watch the FlowerFestival Party in April— wehave the tickets.

the show “Where are we going, Dad ”, they conducted a survey in Chongqing city regarding what kind of role a father should play in his child’s childhood.

77. — Have all the important letters beendelivered at the first time— I’m sorry. _______ only 40% of them.

We ______ that he explain to us why he was late for the meeting yesterday.[ ]