I went ______a balloon but I didn’t see anyone _____ balloons.
---Did you have a sound sleep last night? --- Yes, never slept ________.
---Where have you been recently? --- I _______ in Hangzhou on business for a week last month.
Encourage your children to try new things but try not to ______them too hard.
--- I heard they went skating in the mountains last winter. --- It ______ true because there was little snow there.
---Excuse me, when can we play basketball on the playground? --- Not until it ______next week.