Nowadays, a lot of children have less time to play and communicate with their peer due to extra studies. ________, it is difficult to develop their character and social skills. 

A new study of HIV-infected people in Haiti indicates that starｔing treatment early could save many patients who might _______ die of AIDS.

If I were _________ younger, I would do ___________ I am interested in.

If we work with a strong will, we can overcome any difficulty, ＿＿＿great it is. 

. — Are you sure the 2010 Shanghai World Expo will be a great success?— Yes, __________! It’ll be wonderful!