Indicate the word whose underlined part differs from the other three in pronunciation: how, hat, hour, house

Indicate the word whose underlined part differs from the other three in pronunciation: ear, sea, pea, tea

Indicate the word whose underlined part differs from the other three in pronunciation: chair, stomach, catch, child

Indicate the word whose underlined part differs from the other three in pronunciation: student, lunar, humor, pupil

Indicate the word whose underlined part differs from the other three in pronunciation: know, knee, knife, kill

Can you ..............the light ? It's too dark to do homework .

Indicate the word whose underlined part differs from the other three in pronunciation: litter, appliance, dissolve, innovate

Long forgot his raincoat,so he got wet.

There are too much exhaust fume in the air in this city.