When the iPhone first the market, only die-hard Apple fans bought it. But today, iPhones are everywhere.
| A．hit | B．led |
| C．made | D．covered |
______ giving up, he went on with his research,got his PhD and married the girl.
| A．Without | B．Except | C．Instead of | D．But for |
Think twice before you make a decision on this matter. It will make ______ to your life.
| A．no difference | B．a difference | C．little difference | D．difference |
Don’t go very far. Stay ______ shouting distance.
| A．over | B．off | C．within | D．at |
The suggestion _______ Tom gave me about how to study English at the meeting was that we ______ as much as possible.
| A．which; would read | B．that; would read | C．what; should read | D．不填; read |
----______my mailing address is different from my living address?
----Then you must write both in the form.
| A．When if | B．What if | C．Even if | D．As if |