To understand the grammar of the sentence，you must break it______ into parts．
| A．down | B．up | C．off | D．out |
--Why do you look pale today?
--I was very ________my mother’s illness. I stayed awake last night.
| A．concerned about | B．concerned with |
| C．concerned in | D．concerned to |
After ________ series of unsuccessful attempts, he has finally passed ________ driving test.
| A．/; the | B．a; the |
| C．the; a | D．/; a |
The number of Chinese speakers in the world _________ with the development of China.
| A．grow | B．is growing |
| C．growing | D．grown |
-- Do you know our town at all?
-- No, this is the first time that I _________ here.
| A．come | B．came |
| C．have come | D．had come |
The film is _________ a novel by D. H. Lawrence.
A. depends on B. based on
C. come on D. put on