______ 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
He’s lucky enough to have many people ___ him with the work.
#97732
A
help
B
to help
C
helped
D
helping
(2013·菏泽模拟)The building project ________ next year is not easy ________ in time.
#88925
A
being carried out; to complete
B
carried out; to be completed
C
to be carried out; to complete
D
to be carried out; to be completed
After Chang’e-3 landed on the moon on Dec 14, China became the third country _________ this after the US and the former Soviet Union.
#89397
A
having achieved
B
achieving
C
achieved
D
to have achieved
A terrible earthquake struck Wenchuan, Sichuan Province on May 12th,_____more than 60,000 deaths.
#94556
A
caused
B
having caused
C
to have caused
D
Causing
.As I am not feeling well, I really appreciate __________ to take my place.
#97687
A
him offer
B
for him to offer
C
his offering
D
him to offer