30. Because of the heavy snow, a serious accident______to the family.
#103312
A
occurred
B
happened
C
was happened
D
took place
推荐题目
His silence at the meeting suggested that he _______ to your plan. 
#99792
A
hadn’t agreed
B
didn’t agree
C
wouldn’t agree
D
not agree
Research _____ that over 81% of teachers are dissatisfied with their salary.
#100827
A
contrasts
B
indicates
C
highlight
D
reveal