1.heisbetterthanjim---playingfootball.a.atb.onc.in2.pleasecometothe---office.a.teachers'b.teacher's

Question

1.he is better than jim ---playing football.
a.at b.on c.in
2.please come to the---office.
a.teachers' b.teacher's

Answer 1

1.a
句型：better than sb in sth.如果是ing形式,用at.故选a
2.a
是老师们的办公室,所以是复数.一般词末是s的单词的所有格形式直接加一撇,不用再加s