QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Nora sent books to children.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: If John wants to succeed in corporate life, he has to know the rules of the game.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: That he is clever is eager to be obvious.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
The harder it has rained, how much faster a flow appears in the river?