People often live a hard life _________.

_______ he is very young, _______ he knows a lot abouthow to be healthy.

Are yon feeling any ? — No, in fact my health isn’t so as before.

Junior high school days will be over _______ a week．How are you feeling—I’m trying to keep my cool because we’ve been together ________ three years．

When will the plane — In half an hour.