1) You ... the room too long. it's too cold to have a lesson here. a) were airing b) have been airing c) have aired d) are airing
2) I'm afraid there's too ... furniture in the hall.
a) lots of b) many c) much d) plenty of
3) Father wondered what ... me so much in archeology.
a) attracts b) attracted c) is attracting d) has attracted
4) We all enjoyed ... along the coast.
a) to travel b) to have traveled c) traveling d) to be traveling
5) She wondered what was that made him ... so happy.
a) feeling b) to feel c) feel d) to be feeling
6) He ... for years before he became an Olympic champion.
a) was training b) had been training c) has been training d) has been trained
7) Yesterday our flight ... because of the fog.
a) cancelled b) was cancelled c) had been cancelled d) had been cancelled