( )1. We are not sure _________it will rain or not tomorrow.
A. if B. whether C. that D. why
( )2. The young policeman told the boys _____ .
A. never to play with the fire B. not play the fire
C. not to play the fire D. don’t play with the fire
( )3. The Chinese _______ in red when they get married.
A. dressed B. are dressed C. wear D. are worn
( )4. He told me that light _______ at high speed.
A. traveled B. would travel C. will travel D. travels
