The professor devoted all his life __________ the treatment of AIDS.
#105014
A
to research
B
in researching
C
to researching
D
at researching
推荐题目
Linda’s parents died when she was a baby, and she was _________by her aunt.
#105155
A
turned into
B
raised up
C
grown up
D
brought up
While doubts about the medicine’s safety have____________, interest continues to grow.
#105161
A
dropped out
B
fell down
C
withdrew from
D
faded away
—It seems that you know Dr. John very well. —Of course, we ________ together for five years in the 1990s.
#105078
A
have worked
B
had worked
C
are working
D
worked
3.As the years passed， many occasions―birthdays， awards， graduations ____ with Dad’s flowers.
#105260
A
are marked
B
were marked
C
have marked
D
had marked
The samples__________in quality but were general acceptable．
#105228
A
varied
B
changed
C
disagreed
D
Exchanged