—How old is Mary?—________.We had a special party for her________birthday yesterday.A.Twenty;twentythB.Twenty;twentiethC.Twenties;twentieth
—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.
It is ______ for me to follow the Australian guests because I am good at English.