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
There is only 15 minutes . Hurry up, or we’ll miss the train.
#95666
A
leaving
B
to leave
C
left
D
having left
(2013·济南市三模)The fresh air in the morning is pleasant ________. You'd better get up early to do some exercise.
#88981
A
to be breathed
B
to breathe
C
breathing
D
being breathed
— You look upset. What is the matter ?— I lost my handbag _______ my ID card and a lot of cash.
#92004
A
including
B
containing
C
included
D
contained
As the life they were used to _____ changed by the terrible earthquake, the people in the earthquake-stricken area are doing all they can ______ their new life.
#95947
A
have now been, build
B
having now been, to build
C
has now been, to build
D
is now, build
— What made Bill so angry? —____________. His girl friend promised to come at 8:30, but she hasn’t come yet.
#94269
A
Having kept waiting
B
Being kept waiting
C
To be kept waiting
D
He was kept waiting