When I heard my baby girl say her first word, my heart was 　　　 with joy.

— Food problem is becoming a big one in China! —I think the food ________ before going to shops or supermarkets. 

Many trees ________ along the streets every year. So the air is very fresh now.

－Can you go to school in other clothes?－No. We _______ to go into the school unless we are in school uniforms.

 This kink of milk________ well . It________ out soon.