.Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.
| A．it, it | B．what, what | C．it, what | D．what, it |
Richard Powers’ The Echo Maker, ____ novel set in ___ small town of Kearney, Nebraska, US, has won the 57th US National Book Award for fiction.
| A．the; the | B．a; a; | C．a; the | D．/; the |
We’ll be traveling by ________ camel across the desert before we go to ________university.
| A．/; the | B．the; / | C．/; / | D．the; a |
George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church.
| A．不填; the | B．the; 不填 | C．a; 不填 | D．不填; a |
Have you heard ______ news？The piece of _______ petrol is going up again!
| A．the, the | B．不填，the | C．the, 不填 | D．不填，不填 |
It’s not _________ good idea to drive for four hours without _________ break.
| A．a; a | B．the; a | C．the; the | D．a; the |