Time goes by so fast . We must never miss the chance to show love for our parents and make them _____ how much they mean to us .
Do you remember_____ yesterday?
Yuan Longping, a great person in China, _____as “father of hybrid rice”
______ the work is difficult, all the workers are keeping on working .
Tom often makes his brother____ but yesterday he was made____ by his brother.
---May we go home mow ?--- No, you____. You____ to go home until 5 o’clock.