My friend Jack was the first person I knew ______an iPhone 5S.
. Professor Smith and Professor Brown will _____ in giving the class lectures.
Pack the cake in a strong box, or it might get _____ in the post.
The thief _____ the papers all over the room while he was searching.
Today, housework has been made much easier by electrical _____.
The _____ of the trees in the water was very clear.