___________in the study lost in thought for a long time, I suddenly realized that nothing in the world remains __________.
| A．Having sit; unchanged | B．To sit; unchanging |
| C．Sitting; unchanged | D．Sitting; unchanging |
He is __that everyone likes to make friends with him.
| A．a such honest boy | B．so honest a boy |
| C．so an honest boy | D．such honest a boy |
It was _______ to see so many ________ people in a small town.
| A．amazing; amazing | B．amazing; amazed |
| C．amazed; amazed | D．amazed; amazing |
The doctor told me to take the medicine .
| A．every fourth hours | B．each fourth hour |
| C．each four hours | D．every four hours |
In order to find ______better job, he decided to study _________ second foreign language.
| A．the; a | B．a; a | C．the; the | D．a; the |
—Would you please give me a hand and take the bookcase upstairs?
—．
| A．My pleasure | B．With pleasure |
| C．Of course I do | D．Yes．That’s all fight |