____ to light for a long time, the potatoes turned green.
#72083
A
Introduced to
B
Exposed to
C
Linked to
D
Connected to
推荐题目
Harry has been out of work for six months, so he has difficulty _____.
#65140
A
earning livings
B
earning his living
C
to earn livings
D
to earn his living
As we all know, the dove and the olive branch ______ peace.  
#68809
A
present
B
mark
C
replace
D
represent
If you ____ the bottle and cigarettes, you’ll be much healthier.
#71915
A
keep up
B
keep on
C
keep to
D
keep off