It will be difficult for a robot the same as humans.
#48768
A
do
B
to do
C
doing
D
does
推荐题目
The teacher told us ____the window in class
#50153
A
not to look out of
B
to not look out of
C
not look out of
D
don’t look out of
I often hear him ______.Today when I pass(经过)the classroom, I hear him ______again .
#49624
A
sing; singing
B
singing; sing
C
singing; singing
D
sing; sing
— Do you often practice ______ English with your classmates after class?— Yes, and it improves my speaking skills.
#50984
A
to speak
B
speaking
C
to say
D
saying
My mother often tells me _______ my classmates when they need.
#50938
A
help
B
to help
C
helping
D
helps