beach，twelve，fast，cloud，you

（1）--What will the weather be like tomorrow？
       --It will be

cloudy

cloudy

，I think.
（2）On her

twelfth

twelfth

birthday，she got a doll from her parents as a gift.
（3）Don't swim in the river by

yourself

yourself

.It's very dangerous.
（4）He is the winner.He runs the

fastest

fastest

of all.
（5）In Dalian ，there are a lot of nice

beaches

beaches

along the sea.