— Only a small number of students able to pass the exam. — Yes. The number of them no more than 20.
—Tony is six and he is_______his sister Jane.How old is Jane?—Three.
The fastest plane made by the USA can fly 10,000 meters______ the sound per hour.
John Smith is_______of the two young men.
My brother is_______than me.
Taobao.com is one of_______ shopping websites in China.