________ on ten years of observation and study, Professor Wang announced that everyone dreams every night，whether they realize it or not.
#88276
A
Basing
B
Based
C
Been based
D
Having based
推荐题目
_____ of the danger in the street at night, she had to go home, with a friend _____ her.
#94485
A
Warned; followed
B
Warned; following
C
Having warned; followed
D
Having warned; following
--- Did that book give the information you needed? --- Yes, but ______, we had to read it almost entirely.
#98801
A
for finding it
B
to find it
C
finding it
D
by finding it
______ with the size of the whole earth, the biggest ocean does not seem big at all.
#95263
A
Compare
B
When comparing
C
Comparing
D
Compared