Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.
#85684
A
work
B
working
C
is working
D
are working
推荐题目
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
--There ____ lots of information on sports on ESPN.com．--But most of it is in English．
#43893
A
has
B
have
C
are
D
is