194.Would you kindly let me to know as soon as possible?

193.She did nothing but to cry.

192.This book is cheap enough for him to buy it.

191.Why not to take a holiday for a few days?

190.I was too tired not to walk any further.

189.As he was careless, so he failed

188.This book is too hard for me to read it

187.I could not make myself understood entirely well.

186.I don’t know if they will come, but if they will come, please show them the way to my house.

185.I am sure it will be dark before we won’t get there.