выберите правильную форму: the bed looked__(comfortable/comfortably). be__(quiet/quietly)! The baby is sleeping. he sings___(nice/nicely).

The bed looked comfortable. Be quiet. The baby is sleeping. He sings nicely. The verb shows an action. After verbs we usually use adverbs but with some verbs of sense and perception such as \"feel, look, seem, be, taste,etc \" we usually use adjectives.