The answer seems to be that we have a need _______________（保持聯(lián)系）friends and family no matter where we are or what we are doing. (touch)

The days are gone ________ physical strength was all you needed to make a living.

A. when　　　　　　　 B. that　　　　　　　 C. where　　　 D. which

　　 is known to us all is that the Chinese government has spared no efforts to protect people from fake food.

　 A．As　　　 　 B．It　　 　　 C．That　　　 D．What

— I’m so sorry for stepping on your foot.

　 — ____.

　 A. That’s all right　　　　　　　　　 B. No, it’s my fault

　 C. You didn’t hurt me at all 　 　　　　 D. Yes, don’t worry about it

I had no o _______ to discuss it with her，because she is too busy.

Seeing the sun _______ above the surface of the sea, we let out a shout of joy.

A. to rise　　　 B. to raise

C. rising　　　　 D. raising

Lack _____ heat made us cold.

A. from 　 B. of　 C. in 　 D. by