... Things are going (to/on/out/off) nicely 39) She has suffered (from/to/with/about) her heart attack 40) The exchange rate of dollars is going (up/down/on/with) from 16,000 VND to 15,750 VND for one ... 26 to 27 to 28 for 29 about 30 of 31 on 32 in 33 for 34 ahead 35 of 36 for 37 on 38 on 39 From 40 down ...