The _______ of large supermarkets, such as Lianhua Supermarkets, has sounded the death knell (钟)of the local shops.  [ ]

A. invitation        

B. arrival

C. attraction

D. attitude

Johnny wanted to ride his new bicycle in the street, but his mother told him _____.

A．not to

B．not do it

C．not to do

D．do not