The development of industry has been ________ gradual process throughout ________ human existence, from stone tools to modern technology.
| A．/; the |
| B．the; a |
| C．a; / |
| D．a; a |
______, most of the spelling mistakes can be avoided.
| A．Checking your composition carefully | B．Check your composition carefully |
| C．If you check your composition carefully | D．Your composition is carefully checked |
—Which of the two books will you take?
—I’ll take ______and I think______ of them is really helpful to me.
|
The number of Chinese speakers in the world ________with the development of China is much larger than ever before..
|
Little Jill can’t understand the way ______her brother visited the neighboring cities.
|
Can you tell me ___________________? You look upset.
| A．what the matter is | B．what matter it is |
| C．what is the matter | D．what was the matter |