You haven’t seen the film ‘2012’,have you

The fast popularity of cloud computing means netizens will need to take added measures to make sure their data stay __________in the digital age.

These two kinds of cell phones differ ________ shape, but they are similar ________ each other in some functions.

What worried the child most was _______ to visit his mother in the hospital.

Was it on a lonely island ________ he was saved one month after the boat went down?[ ]