. The new law has come into _____; surely it will have _____on industry of the country.
| A．affect; an effect | B．effect; affect | C．effect; an effect | D．an effect; an effect |
The books on the desk, covers are shiny, are prizes for us.
| A．which | B．what | C．whose | D．that |
You（）be careful with the camera. It costs!
| A． | must | B． | may | C． | can | D． | will |
—Sorry, I forgot to lock the door.
—______ Mike can do it later.
| A．No way | B．Take your time |
| C．Nothing serious | D．You're welcome |
Peter willhis post as the head of the travel agency at the end of next month.
| A． | take up | B． | put up |
| C． | add up | D． | break up |
At college, Barack Obama didn’t know that he the first black president of the United States of America.
| A．was to become | B．becomes |
| C．is to become | D．became |