Not until _________ in the college entrance exam _________ that he had wasted much time using his mobile phone to surf the Internet and play games.
A.had he failed; he realized B.he had failed; did he realize
C.he had failed; he realized D.did he fail; did he realize
Only after his death _______ considered correct.
A.his theory was B.was his theory C.did his theory D.had his theory
It was President Xi Jinping ______ visited the navy troops on April 19 and advocated that naval force ______.
A.who; be strengthened B.that; would be strengthened
C.who; to be strengthened D.that; must be strengthened
No sooner____ begun to speak than I sensed that something was wrong.
A.has he B.he had C.he has D.had he
It is what you think about not what you have or what you are doing ______ makes you happy or unhappy.
A.what B.that C.whether D.when
—________ makes your son feel depressed recently?
—Being rejected by all the universities he has applied to.
A.What it is that B.How is it that
C.What is it that D.How it is that
