If _______, these injuries can develop into more serious problems.
A．left untreating B．left untreated
C．leaving untreated D．are left untreated
_____ for his mistake, the little boy could not but _____to his teacher that he was wrong.
A．Blaming; to admit B．Blamed; admit
C．To blame; admitted D．To be blamed; admitting
I am trying to work out the problem and I would appreciate_____ if you could turn the music _______.
A．That; up B．this; around C．it; down D．you; back
She is not used to _______ like that.
A．speak to B．spoke to C．speaking to D．being spoken to
______, I lost heart in English learning, but my teacher often said to me, “Keep on working hard; you’ll succeed _______.”
A．At a time; in time B．At a time; on time
C．At one time; in time D．At one time; on time
-- Are you sure that he will come here in time?
--- You may ______ he will come to help us though he is very busy.
A．rely upon that B．rely upon it that
C．rely upon what D．rely upon it what
