On April 24, Tsinghua University         its 100th anniversary at the Great Hall of the People in Beijing. 
#72632
A
congratulated
B
challenged
C
celebrated
D
participated
推荐题目
The plan has to be ________ to meet the real situation.
#70963
A
adjusted
B
adopted
C
operated
D
reflected
The room was so quiet that she could hear the _____ of her heart.
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A
hitting
B
beating
C
tapping
D
knocking
What you said just now       me of that American professor.
#68164
A
mentioned
B
informed
C
reminded
D
memorized