Professor Smith，along with his assistants， on the project day and night to meet the deadline.
#86243
A
work
B
working
C
is working
D
are working
推荐题目
“All _____ present and all _____ going on well.” our monitor said.
#86285
A
is; is
B
are; are
C
are; is
D
is; are
Joan together with her parents ____ going to visit the Summer Palace this Saturday.
#86070
A
is
B
was
C
are
D
were
The famous singer and dancer____ our party this evening.
#85670
A
are going to attend
B
was to attend
C
were to attend
D
is going to attend