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
We tried _______ her milk to drink, but she did not get better.
#97375
A
giving
B
to give
C
having given
D
to have given
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
______ more effectively in the future, many people equip themselves with further education.
#94697
A
Compete
B
Competing
C
To compete
D
Competed
-- -- Efron, the biggest teen star in America right now,is travelling around the world ____ the third High School Musical film . ----It must be well received.
#98814
A
promote
B
promoting
C
promoted
D
being promoted