__________, he went to Mr. Green for help.
A: Not to know what to do
B: To not know what to do
C: Not knowing what to do
D: Knowing not what to do
A: Not to know what to do
B: To not know what to do
C: Not knowing what to do
D: Knowing not what to do
举一反三
- （）what to do, he went to the manager for help. A: Not to know B: Not knowing C: Not having known D: Having not known
- _what to do, I had to turn to my parents for help. A: Not know B: Not known C: Not to know D: Not knowing
- ______what to do,the man telephoned the police． A: Not known B: Not knowing C: Don't know D: Knowing not
- ______ what to do, the man telephoned the police. A: Not known B: Not knowing C: Don't know D: Knowing not
- I don’t know _______. A: what do B: what will do C: what to do D: do what