4 ____ a certain doubt among the students as to the necessity of the work.A There has had B They had C There existed D It existed
Li Keqiang, ______ head of the Chinese government, said in his report on March 5,2014 that the government would try every ______ to deepen the reform further.
It was in 1945______ World War II ended.
—Hot news! Obama has won the presidential election again. —______ I’m not American.
In order to catch up with her classmates, _____.
_____ any evidence that Tom ______ games recently?