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 first use of atomic weapons was in 1945, and their power ____increased enormously ever since.
#86339
A
is
B
was
C
has been
D
had been.
--- Lydia, what did our headteacher say just now? --- Every boy and every girl as well as the teachers who to lead the group asked to be at the school gate before 6:30 in the morning.
#85602
A
is; is
B
are; are
C
are; is
D
is; are
The number of people invited_______ fifty, but a number of them_______ absent for different reasons.
#85777
A
were, was
B
was, were
C
was, was
D
were, were