初中英语主语+系动词+表语改错题

短文改错。
Mother’s Day is a popular holiday in many country. It is on the second Sunday in May（五月）It are a day to thank others. In that day we give flowers, cards or other present to our mothers. On the card, we usual write “Thank your, mother”, “To the best father in the world”, “Best wish for Mother’s Day” and so on. On Mother’s Day, we help us mothers do a lots of house work. We try to make our mothers happy.