______ 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
Tom sounds very much ________ in the job, but I'm not sure whether he can manage it.
#89216
A
interested
B
interesting
C
interestingly
D
interestedly
_____ on a clear day, far from the city crowds, the mountains gave him a sense of peace.
#89892
A
If walking
B
While walking
C
Walking
D
When he was walking
Since I don’t like surfing the Internet, shall I go to the library instead ______ the information we need?
#91776
A
of to get
B
of getting
C
to get
D
getting
The gap between rural and urban education in China is widening, and education is the key to _____ rural problems.
#95738
A
solving
B
solve
C
have solved
D
having solved
Master Fred chose a sunny sloping bank with a thick growth of bushes, and ________ there a nice little hen-house.
#96293
A
covered, fixing
B
covering, fixing
C
being covered, fixed
D
covered, fixed