We are now living in _____ world where the Internet rules our life, so online searches have become _____ must.
| A．the, / | B．/ , a | C．a , a | D．a, the |
The road is covered with snow. I can’t understand _____ they want to go to school by motorbike.
| A．why | B．when | C．since | D．that |
My brother likes eating very much but he isn't very _____ about the food he eats.
| A．curious | B．content | C．harmful | D．ordinary |
One of owning your own car is that you can go anywhere at any time you like.
| A．theory | B．belief | C．advantage | D．Permission |
—The problem is _______we are short of money.
| A．how | B．that | C．whether | D．if |
When in trouble, remember to stay calm, and everything willwell.
| A．turn down | B．turn out | C．turn off | D．turn back |