___________for his good skill, this doctor has a lot of visitors calling for help all the time.
#48486
A
Knowing
B
To know
C
Known
D
To have known
推荐题目
We’re looking forward to_____ the famous science museum tomorrow.
#49605
A
build
B
visit
C
building
D
visiting
My mother often tells me _______ my classmates when they need.
#50938
A
help
B
to help
C
helping
D
helps
