The environment here becomes better and better．______ birds are coming back．（ ）
| A． |
Thousands of |
B． |
Thousand of |
| C． |
Thousands |
D． |
Thousand |
I am afraid we can not ______to take a taxi． Let s go by underground instead（ ）
| A． |
refuse |
B． |
afford |
C． |
forget |
D． |
fall |
She is too busy to help us finish the work．
Let's do it______．（ ）
| A． |
herself |
B． |
myself |
C． |
itself |
D． |
ourselves |
There is____old piano in ______corner of the living room．（ ）
| A． |
an； the |
B． |
an； 不填 |
C． |
a； the |
D． |
a； a |
﹣Sir， it's true that being happy is an ability． So can you tell me ______ ？
﹣Yes． Just as President Xi says， "Happiness is achieved through hard work．"（ ）
| A． |
how we can find happiness |
| B． |
who can help achieve happiness |
| C． |
why happiness is so important to us |
Nowadays China has made great achievements in many fields． We really ______ our amazing China．（ ）
| A． |
take pride in |
B． |
take care of |
C． |
take an interest in |