All the bees had been at nearby feeding place were doing the circling dance.
31. We______ on the project for three hours. Let’s have a rest.
My grandparents asked me to go and see them whenever______.
. ______some people dislike may be others’ favorite.
Studies show that office workers are more ______to suffer from backache because they always sit before computer screens for long hours.
. She_____ Japanese when she went to Japan for holiday. Now she can speak it freely.