But if a treatment ________ delayed the disease by seven years were to be available, the number of sufferers would drop by 40% by the middle of the century.
A. where B. when
C. why D. that
Cathy spent her summer vacation in reviewing her lessons _____ she would achieve marks in the coming examination.
A. now that B. as if
C. only if D. so that
The artist ________ the last years of his life here and FrancoisⅠacquired that masterpiece that even today represents one of France’s treasures: the Mona Lisa.
A. lived through B. lived out
C. lived up to D. lived on
Surely you shall not come into the study ________ I swore to devote myself to settling the problem, unless permitted.
A. for which B. in which
C. on which D. with which
Alex and Chris, volunteers from Australia, are said _____ our school as they have finished their teaching mission.
A. having left B. leaving
C. to leave D. to have left
As a student, you’d better learn how to write down notes in class before you _____ them.
A. forget B. are forgetting
C. forgot D. will forget
