It suddenly        to the teacher that he hadn’t left any assignments(作业) to his students.
#105150
A
happened
B
occurred
C
thought
D
took place
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Suddenly he ____________his mother in the crowd and ran to her .
#105214
A
lost sight of
B
caught up with
C
caught sight of
D
in sight of
My sister ____a good chance to go abroad for further study of English. 
#105138
A
was provided
B
was presented
C
was supplied
D
was offered