A study ________ in the USA in 1977 showed that the chemical ASA in aspirin could prevent a stroke.
#95255
A
carrying out
B
carried out
C
working out
D
worked out
推荐题目
More highways have been built in China, ______ it much easier for people to travel from one place to another.
#91567
A
to make
B
making
C
made
D
having made
When we saw the road ________ with snow，we decided to spend the holiday at home.(2013·北京，29)
#88737
A
block
B
to block
C
blocking
D
blocked
If you think that treating a woman well means always_______her permission for things, think again.
#98653
A
gets
B
got
C
to get
D
getting
The little baby, if _________ by other people, will wake up and cry.
#89737
A
disturbing
B
disturbed
C
to be disturbed
D
being disturbed
That's the best way to ________ into the dangerous area.
#91437
A
get people get
B
stop people to get
C
keep people getting
D
prevent people getting