IV. Chosse the best answers .
1. Driving carelessly....accidents( causes, cause,are causing)
2. Give a . ..before you turn left or turn right.( sign, signal, sound )
3. ..his health was poor ,he still managed to do this work.(Although, But, And)
4. Easter is an..Chistian festival and holiday.( joyful, important, boring)
5. I am sure you will find this film....(boring,bored,bore)
6. Wind power is convenient and...(use,useless,useful)