There ________no danger, the police went back to their police office.
A、be
B、is
C、are
D、being
第1题:
A.be
B.is
C.are
D./
第2题:
7.
A.am
B.is
C.are
D.be
第3题:
5、下面是哪项不是中性词()
A.chair
B.person
C.mankind
D.police
第4题:
2.
A.am
B.is
C.are
D.be
第5题:
9.
A.am
B.is
C.are
D.be