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This tree is two ________ years old.

[　　]

The River Thames is about 336 kilometers ________.

[　　]

The mountains are about 1,000 meters ________.

[　　]

Washington D.C. is a big city, ________ it's smaller than New York.

[　　]

Beijing is the capital of China, ________ more than 13 million people.

[　　]

In England, the weather is never very hot in ________ summer.

[　　]

It's six o'clock in the morning. Let's ________.

What do you do ________ Sunday morning?

-- Do you like Beijing's weather?

-- I'm afraid not, because it's often windy in ________ spring.

What ________ fine weather we have these days!