Radium salts，which have been found to ______ in bones，give rise to bone cancer.
#71991
A
pile up
B
build up
C
keep up
D
pull up
推荐题目
Do you know why Nelson Mandela _________ violence to make black and white people equal?
#64441
A
turn in
B
turn out
C
turn to
D
turn over
--- What about inviting Mary to our party?--- You’d better not. She prefers to be ____, so far as I know.
#65712
A
tested out
B
rung up
C
left alone
D
turned around
----- The cake is delicious.------Well, at least it is ___________ the one I baked last week.
#65204
A
as bad as
B
no worse than
C
no better than
D
not better than.
Chinese football fans often _______ late to watch live matches of the World Cup.
#68723
A
stay up
B
mix up
C
turn up
D
put up
Next week we’ll pay a visit to the Great Wall, so in our absence please our pet dog.
#84088
A
keep an eye on
B
have an eye for
C
keep an eye out for
D
make eyes at