Do you want to be healthy？______．Smiling can help you stay healthy．（ ）
| A． |
Smile |
B． |
Smiling |
C． |
Smiles |
D． |
Smiled |
Which of the following underlined parts in different in pronunciation？（ ）
| A． |
fly |
B． |
lazy |
C． |
already |
D． |
cloudy |
﹣Jeff，I will take an important exam tomorrow．
_______．（ ）
| A． |
Good luck! |
| B． |
Congratulations! |
| C． |
Good idea |
The teenagers often help ______ water and food to those people in need．（ ）
| A． |
put out |
B． |
give out |
C． |
find out |
Andy，I wonder ______ the new sports clothes．
Of course by credit card．（ ）
| A． |
what you paid for |
| B． |
how you paid for |
| C． |
why you paid for |
______ birds have come back because the environment here becomes better and better．（ ）
| A． |
Thousands of |
| B． |
Thousand of |
| C． |
Thousands |