I’m ____ heavier than my brother.
Mum, what are you cooking? It_______ so sweet.
—I forgot to bring my dictionary. Could I use yours?— Yes, you _______.
Rick has learned a lot about Chinese culture _____ he came to China.
—Can I bring a friend to your birthday party?—Sure, ______.
_______theexam, we'll say good-bye to our dear teachers, classmates as well as ourbeautiful school.