It’s ten years since the scientist _______ on his life’s work of discovering the valuable chemical.
#83133
A
made for
B
set out
C
took off
D
turned up
推荐题目
 The police saw the woman _______ a bus and _______ a taxi.
#78469
A
get off …get on
B
get on … get off
C
get off …get into
D
get on … get into