Do you know these words?

• いちばん

  the first ; No. 1

• いる

  to need

• ようじが　ある

  to have some errands to do

• ねっとうしょうどく

  disinfection by boiling water

• わかす（ふろを〜/ゆを〜）

  to boil (water) ; to heat (water in a bath)