170. So long as you work hard enough, a(an) _____ rod can be ground into a needle. (prov.)
he has been working so hard . __________ he could answer such a difficult question.
Holmes walked swiftly into the garden , ______________ by Doctor Watson.
The _________ on his face was kind of strange, when I told him the news.
The young mother walked off, leaving the little boy ___________ in the room.
I rushed home in a hurry only _________ that nobody was in.