______, I came to realize that my parents could not always stand by me.
| A．As time gone by | B．With time going by |
| C．As time going by | D．With time gone by |
I like seeing kids happy and, if they＿，it makes my job a lot easier.
| A．do | B．are | C．will | D．have |
When the Eiffel Tower was shown in 1889 at the world exposition, it was not very popular and came close to ______ down.
| A．be torn | B．tear | C．tearing | D． being torn |
To British people，Canadians may sound American; to Americans，they may sound British. Canadians themselves insist on not being identified with .
| A．either | B． both | C． any | D．neither |
There is strong evidence that the of a father increases the probability that a youngster will use drugs and engage in criminal activity.
| A．absence | B．disappearance | C．attention | D．concern |
We have to give the users something new ________ what we’ve already offered, which is the only way to broaden the appeal of the website.
| A．regardless of | B．in addition to | C．in exchange for | D．according to |