---I saw Betty to Grandpa Li's home just now.---Yes. She’s often seen _________ the old man with the housework.
#43823
A
go, help
B
going, to help
C
go, to help
D
going, helps
推荐题目
---What ____ the population of China ? ---China has a population of 1.3 ____.
#86163
A
is, billions
B
are; billions
C
is; billion
D
are; billion
A teacher and artist ______coming to speak to us about painting tomorrow afternoon.
#85672
A
is
B
are
C
was
D
were