If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
#100783
A
are not observed
B
is not observed
C
were not observed
D
was not observed
推荐题目
As ________ clear from his manners, he seems to be much of a scholar.
#102895
A
being
B
is
C
if
D
though
-—David has gone to Australia on business.—Really? I ______ why he was absent from today’s meeting.
#101832
A
am wondering
B
wonder
C
was wondering
D
had wondered
Bob tried to sweet-talk his mother into letting him go out. But when he saw his sweet talk________， he lost his temper.
#100086
A
hadn’t worked
B
wasn’t working
C
isn’t working
D
doesn’t work
Tom as well as two of his friends ______ to the concert last night.
#104342
A
has been invited
B
had been invited
C
were invited
D
was invited