It is most _____that the environmentalists will come to the area to investigate the possible damage caused by the serious pollution.

 Simon has lived in Spain for more than 10 years, but _______ enough, he can’t speak a word of Spanish.

My little daughter has walked eight miles today. We never guessed that she could walk ______ far.

---Students should devote most of their time to studying rather than playing computer games.                                                       ---________.No pains, no gains.

“If you’re walking down the right path and you’re willing to keep walking,_____ you’ll make progress”, said the president Obama.