Wooddoesnotconductelectricity;________.
A、sodoesn’trubberHe________methathedecidedtoleaveonMonday.
Iknowitisn’timportantbutIcan’thelp________aboutit.
You________gonow.It’sgettinglate.
Night________(fall),wehurriedhome.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
