Knowing how to give first aid really ______ in case of emergency. It can save lives.
| A．makes difference | B．has a difference | C．makes a difference | D．makes the difference |
I was still sleeping when the fire______, and then it spread quickly.
| A．broke out | B．put out | C．came out | D．got out |
Unfortunately, the soldier died____ a wound in the chess.
| A．from | B．out | C．off | D．down |
As I met him, I didn’t _____him, for we haven’t seen each other for many years.
| A．know | B．know about | C．recognize | D．find out |
Sichuan province ______by the earthquake，causing difficulties to the post-festival road transport.
| A．were affected | B．was affected | C．had effected | D．has affected |
The government declared the ban____ everyone must go to the front.
| A．which | B．that | C．不填 | D．what |