My brother usually _____ his classroom after school. But now he _____ basketball.
The number of people invited ______ fifty, but a number of them ______ absent(缺席) for different reasons.
Taiwan is ______ ______ the Treasure Island of China and it is a part of China.
The tourists ______ have been to Mount Huang lost ______ in the beautiful scenery there.
There are some tales about dragons ______ ____ __ wings.
The man to ______ my father is speaking is my uncle.