______ on ten years of observation and study, the theory shows that every one dreams every night, whether they realized it or not.
#90335
A
Basing
B
Based
C
Being based
D
Having based
推荐题目
When he came in, I happened ___ on the bed ____.
#97321
A
lying; and read
B
to lie; reading
C
to be lying; reading
D
to have lain; reading
The phrase of the year 2011, "shang bu qi", ______ "too delicate to bear a blow", reveals the public's sensitivity to personal and social problems.
#95028
A
which mean
B
meaning
C
means
D
whose meaning
The news reporters hurried to the airport, only the film stars had left.
#96373
A
o tell
B
o be told
C
elling
D
old
_____ his letter, I decided to write to him again
#92965
A
Receiving not
B
Not receiving
C
Having not receiving
D
Not having received