While he ________ his homework , his mother came in.

____________do you usually read English in the morning?—About half an hour.[ ]

Hi, Bruce! I haven’t seen you for such a long time. It _______ that you’ve changed a lot.–Yes, time flies!

He doesn’t like his job. He often ________ it.

He is rather difficult to make friends with, but his friendship, _____, is more true than any other.