They arrived at our factory yesterday. 
#43732
A
came
B
got
C
reached
D
went
推荐题目
_____________have they been married? —For twenty years.
#40931
A
How far
B
How long
C
How often
D
How soon
--_________ can cormorants stay under the water?--_________ up to two minutes.
#39205
A
How soon, For
B
How often, /
C
How long, For
D
When ,For
We read 9:45 _________in English. 
#39072
A
nine forty five
B
a quarter to nine
C
a quarter to ten
D
a quarter past nine
               workers in the factory              over two thousand.
#43491
A
The number of; is
B
The number of; are
C
A number of; is
D
A number of; are