---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
The number of people invited _________ fifty, but a number of them _________ absent for different reasons.
#85928
A
were; was
B
was; was
C
was; were
D
were; were
The majority of doctors ______ smoking is harmful to health.
#86178
A
are believed
B
had believed
C
has believed
D
believe
It was not I but you who the first to run to the goal in that competition.
#85930
A
is
B
was
C
are
D
were