2.
(1)The class consisted of 80 students is difficult to manage.
(2)This is similar with the jet lag you get from flying.
(3) She treated us for some delicious fruits.
(4)Found in the early 20th century, the school keeps on inspiring children’s love of art.
(5)This book doesn’t appeal the children at all.
(6)Although facing with many problems, they didn’t lose heart.
(7)Present at the meeting was some scientists from China.
(8) My mother didn’t approve my going there alone.
(9)Writing the paper took over most of the weekend.
(10)The gallery is in the possession of a number of the artist’s early works.