Fill in the gaps with the appropriate preposition (in, for, by, on). (1)... accidend. (2)... a change. (3)...a ges. (4)...a trip. (5)...fun. (6)...mistake. (7)...my opinion. (8)surprise. (9)...time. (10)...the past.
by accidend. (2)...for a change. (3). for ages. (4) on/for a trip. (5)for fun. (6)by.mistake. (7).in my opinion. (8) on surprise. (9)on time. (10).in.the past.
by accidend. (2)...for a change. (3). for ages. (4) on/for a trip. (5)for fun. (6)by.mistake. (7).in my opinion. (8) on surprise. (9)on time. (10).in.the past.