John _____ knowledge of radio just by staying around the radio station.
| A．caught on | B．worked up | C．took up | D．picked up |
He advised meat such an early age.
| A．to not drop out | B．didn’t drop out |
| C．shouldn’t drop out | D．not to drop out |
In the past few years, a great many teachers have found very important to teach their students how to learn.
| A．this | B．that | C．one | D．it |
These photos will show you .
| A．what does our village look like |
| B．how does our village look like |
| C．what our village looks like |
| D．how our village looks like |
My son is always full of and hardly feels tired.
| A．force | B．energy | C．strength | D．power |
get a better score, she has been studying hard all day.
| A．So as to | B．In order to | C．So that | D．In order that |