It was the first time Mary _____ such a big opening ceremony.
#92294
A
has attended
B
attended
C
had attended
D
should attend
推荐题目
 _______he was laid off last year ______ how serious the economic crisis was.
#93917
A
Not until…he realized
B
It was not until… when he realized
C
It is not until…that did he realize
D
It was not until …that he realized
When he was a student, he would get up early and work late into night, believing “______________” 
#93254
A
Never too late to learn.
B
Never count your chickens until they are hatched.
C
The early bird catches the worm.
D
Everyone has his feet of clay