As time__________, she became more and more anxious about  her son’s safety. 
#103316
A
passing
B
going by
C
passed
D
goes by
推荐题目
In 1960, this was the longest bridge that __________.
#104497
A
was ever built
B
had ever built
C
has ever been built
D
had ever been built
Give me an undisturbed hour and I’ll see the work Tom ___ unfinished.
#103595
A
will leave
B
is leaving
C
has left
D
had left
He complained that this was the third time he _________ of the changes of the meeting.            
#102890
A
is informed
B
was informed
C
has been informed
D
had been informed