The Yellow River is the second _____________river in our country.
| A．long | B．longer | C．longest | D．the longest |
Qingdao is one of cities in China.
| A．the most beautiful | B．most beautiful |
| C．more beautiful | D．very beautiful |
Mr Wu is one of ________ in our school.
| A．popular teachers | B．the most popular teachers |
| C．more popular teachers | D．most popular teachers |
Lucy is the________ of the twins, and she is the_______ girl in her class.
| A．younger; younger | B．youngest; youngest |
| C．younger; youngest | D．youngest; younger |
Chinese becomes one of the world’s _____________________________ .
| A．the most important language | B．the most important languages |
| C．most important language | D．most important languages |
—Which month has ______ days in a year? —February.
| A．most | B．the most | C．the least | D．the fewest |
______ all the activities, I think diving is _____ one.
| A．Of; a dangerous | B．In; most dangerous |
| C．Of; the most dangerous | D．In; the most dangerous |
Of all the CD players in the shop, this one is ________.
| A．cheap | B．very cheap | C．cheaper | D．the cheapest |
----Do you often use Baidu?
----Yes, it’s one of ___________Internet search engines.
| A．popular | B．the popular |
| C．more popular | D．the most popular |
Who is ______, John, Daniel or Jack?
| A．old | B．older | C．oldest | D．the oldest |