I had decided to give it up ,but on _____second thoughts,I decided to try _____third time.

1. A.
   不填;a
2. B.
   不填;the
3. C.
   the;the
4. D.
   the; a

I had decided to give it up ,but on _____second thoughts,I decided to try _____third time.

A.不填;a（三思后，晚些时候做出决定）  B.不填;the  C.the;the  D.the;a

I had decided to give it up ,but on _____second thoughts,I decided to try _____third time.

A.不填;a（三思后，晚些时候做出决定）  B.不填;the  C.the;the  D.the;a

I had decided to give it up ,but on _____second thoughts,I decided to try _____third time.

A.     不填;a  B.不填;the  C.the;the  D.the; a

I had decided to give it up, but on _______ second thoughts, I decided to try _______ third time．

A．不填; a              B．不填; the           C．the;   the            D．the; a