Happy times usually pass quickly without              .
#93567
A
noticing
B
being noticed
C
having noticed
D
to be noticed
推荐题目
Fans crowded the street outside, ______ a look at their hero.
#96427
A
waiting for
B
waited for
C
to wait for
D
to be waiting for
I don’t want to listen a long story — just _____ me the result. 
#97450
A
tell
B
telling
C
to tell
D
to be telling
 All reference books ________, he didn't find the key to the question.
#88808
A
being searched
B
searched
C
to be searched
D
were searched