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
The scene of the film ____ me of those happy days that we spent together in the beautiful countryside last summer vacation．
#71761
A
informed
B
recalled
C
reminded
D
remembered
We are going to visit an old temple _____ the 12th century.
#72339
A
is dated back to
B
dated from
C
dating back to
D
that is dated from
Before building a house, you will have to _________ the government’s permission.
#84364
A
get from
B
follow
C
receive
D
ask for
We should take care of the blind. It is immoral to _______ them.
#64468
A
make room for
B
make fun of
C
make up for
D
make use of
After the mass shootings at Sandy Hook Elementary School, President Obama ordered his members to solutions to gun violence.
#65818
A
put up with
B
come up with
C
keep up with
D
catch up with