The scientist knew nothing about the matter, because he was always _________ himself in his study.
#12696
A
burying
B
devoting
C
focusing
D
concentrating
推荐题目
As PM2.5 readings reached as high as 900 in some cities, people are more _____ to get lung cancer in such conditions.
#11277
A
probable
B
perhaps
C
possible
D
likely
We _____ a word unless she asks us_____.
#12894
A
didn’t dare say; to
B
don’t dare to say; to
C
dared not say; to say
D
dare not to say; to say
The room became ______ crowded after the desk was moved out.
#11664
A
a little
B
fewer
C
less
D
much
. _________ is known to all, good friends _________ happiness and value to life.
#12695
A
It; add
B
As; add
C
It; add to
D
As; add to
I sent a big bunch of flowers to the nurse as an of thanks for her taking good care of my grandpa in the nursing home.
#14223
A
attitude
B
impression
C
appreciation
D
expression