_____ he is not very rich, he often gives his food and clothes to the poor people.
占上中下三格小写字母是______.
下列选项中属于元音字母的组合是______.
I ______believe everything ______ be free in 20 years.
Tara and her sister_____ quiet and they_____ sports.
Mr Wang didn’t come , so Mrs. Wang ______ .