They fulfilled the task in ______ it took us.
A. three-fourths time
B. three-fourths times
C. three-fourths the time
D. the three-fourths time
下列关于留置权的说法错误的是( )
A. 留置权优先于抵押权受偿
B. 留置权优先于质押权受偿
C. 留置权人丧失对留置财产的占有并不导致留置权的消灭
D. 留置权人有权收取留置财产的孳息
The staff, having finished work for the day, ______ going home now.
A. is
B. are
C. was
D. were
若变量a未事先定义而直接使用(例如:a=0),则变量a的类型是( )。
A) Integer
B) String
C) Boolean D) Variant