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
Last year the number of death increased by 2%-5% ______ the year before last.
#96077
A
comparing to
B
comparing with
C
to compare with
D
compared with
Now that we’ve discussed our problem，are people happy with the decisions ________？
#88724
A
taking
B
take
C
taken
D
to take
How to keep the homeless __________ with food and clothing is still under discussion．
#89720
A
supplying
B
supplied
C
being supplied
D
to be supplied
To avoid the car ______ the child, the driver had to make a sharp turn.
#96589
A
to hit
B
hit
C
hitting
D
being hit
Children should be encouraged _____ up outside interests， such as music or sport.
#98762
A
to take
B
taking
C
to have taken
D
having taken