Only in this way _________ learn this language well.
I'm told that www.languagepractising.com is a free website ____ learners can not just learn various languages but also chat online.
Though ____ to go to bed many times, the little boy just turned a deaf ear and fixed his eyes on the cartoons.
—You shall get an iPhone as long as you come out first in the contest.—Is that a ____? Don't let me down, I hope.
You have worked hard all week so you ____ a good rest.
I'd like to offer this job to ____ I believe is responsible for it.