单项选择（每题1分）The stones each _____ as much as two tons.
#86045
A
weighs
B
are weighed
C
weigh
D
is weighed
推荐题目
All the employees except the manager ________ to work online at home.
#85662
A
encourages
B
encourage
C
is encouraged
D
are encouraged
The number of people invited ____ fifty, but a number of them ___ absent for different reason.
#85769
A
were; was
B
was; was
C
were; were
D
was; were
The number of teachers in our college _____ greatly increased this term. A number of teachers in this school _____ from the countryside.
#86284
A
is; is
B
is; are
C
are; are
D
are; is