题目内容
Only when class began _______that he had left his book at home.
A. will he realize B. he did realize
C. did he realize D. should he realize
C
"only+状语"放于句首,应构成倒装句,主语前要加助动词。
练习册系列答案
相关题目
Only when the war was over ________ return to their hometowns.
A.have the soldiers |
B.the soldiers |
C.the soldiers did |
D.did the soldiers |
Only when you get a special permit can you have the ___ of interviewing the prime minister of China.
A.advantage |
B.possibility |
C.preference |
D.privilege |