1.Comrades,I have a good news to tell you.
答案去掉a
2.The doctor advised me to lie in the bed for two days.
答案去掉第二个the
3.I don’t know the exact date,but it was Sunday because everybody was at church.
答案Sunday前加a
4.We may be one family and live under a same roof.
答案a→the
5.—What do you think of the party?
—I should say it was success.
答案was后加a
6.It is a great fun to collect stamps in our spare time.
答案去掉a
7.Mum,can I have the second apple?
答案the→a