1.——_____?you look unhappy,——i lost my pen A.anything B.are

1.——_____?you look unhappy,——i lost my pen A.anything B.are you ok?
2.food goes______easily in summer,
A.terribly B.worse C.bad D.badly
3.it`s unfair to let me do the work,______?
A.am i B.isn`t C.is it D.are you
4.we don`t know_____he will deal with the dirty dog.
A.what B.how C.what to D.how to