Youdon‘tdosomesports,doyou?
No,I____,butnowI_____climbingmountainstokeepfit.
Ausedto;amusedtoBamusedto;usedto
Cwasusedto;usedtoDuseto;usedto
↓
No,Iusedto,butnowIamusedtoclimbingmountainstokeepfit.
为啥是NO,Iusedto.不是说事实是否定的就回答NO么.既然已经是NO,就应该是Ididin’tuseto了吧.难不成是Idon‘t省略?0.0求真相