_____ in the regulations that you should not tell other people the password

My new pen __________.Who __________ have taken it

The island,____ to the mainland by abridge, is easy to go to [ ]

Hellen doesn’t know how much I spent in repairing the house. If she ever found out, I’m sure she _____ me.[ ]

Alex has finally become an astronaut, __________all his family members think is his dream career.