He has read two novels _______

While designing a place of recreation, an architect is to consider easy entrances or exits, parkinglot and toilets, etc, his design should take into account the comfort of all citizens.[ ]

If ______ in wet sand, the vegetables can ______ fresh for a long time.

in the regulations that youshould not tell other people the password of your bank account.

The more we can enjoy what we have, the _____ we are.