单项选择题
She's part of a team of scientists who are（）upon cancer research.
A.worked
B.arranged
C.engaged
D.involved
点击查看答案&解析
相关考题
-
单项选择题
Tourism has（）agriculture as the nation's main industry.
A.recalled
B.reckoned
C.redirected
D.replaced -
单项选择题
I cannot tell the（）difference between the twins.
A.slender
B.slight
C.single
D.simple -
单项选择题
This is the dictionary（）I depend a lot whenever I have problems with new words.
A.on which
B.in which
C.for hich
D.with which
