Now it’s been possible for us to be taken into “space”, we can experience weightlessness for a short time.
If _______, these injuries can develop into more serious problems.
_____ for his mistake, the little boy could not but _____to his teacher that he was wrong.
I am trying to work out the problem and I would appreciate_____ if you could turn the music _______.
She is not used to _______ like that.
______, I lost heart in English learning, but my teacher often said to me, “Keep on working hard; you’ll succeed _______.”