(   )1.He  said he would help me  ____ my English . 

       A.to.   B. with.       C. of.    D. out.

(    ) 2.  My son turned off the TV _________ he heard that I came back. 

A.until.   B.before    C. as soon as.    D. if.

(  ) 3. £­ What about the cake?£­It_________ nice.

A. tastes  B. gets  C. hears.    D. looks.

(   )4. Turn off the lights _________ you leave the room.

    A. until.  B.  when.   C. after.   D. while.

 (   )5 .  _________  the rain , the farmers had a good harvest.

   A.  Thanks for.   B. Thanks to.  C. Because .    D. Without .