题目内容
They are in the same school，_________in different classes．
A．and B．or C．but
C
解析试题分析：句意：他们在同一所学校，但是在不同的班级。A．and 和，表示前后是并列关系； B．or或者，表示前后是选择关系；C．but但是，表示前后是转折关系。根据前面叙述的是在同一所学校，后面叙述的是在不同的班级，前后表示转折关系，故选C。
考点：考查连词的用法。
____________ Davy called me, I was sleeping.
| A．Until | B．When |
| C．While | D．Because |
I don’t like all the traffic, I’ll drive there anyway.
| A．or | B．so |
| C．but | D．till |
— Would you like to go to the cartoon show with me?
— It sounds like fun, ______I’m too busy.
| A．so | B．for |
| C．or | D．but |
— Sam, you don’t work hard at geography.
— My dad says that the world is changing every day, I decide to wait until it stops.
| A．because | B．while |
| C．if | D．so |
—Where’s that report, Daniel?
—I brought it to you you were in Mr. Black’s office yesterday.
| A．if | B．when |
| C．because | D．before |
If you have trouble pronouncing the word, you can repeat it over and over again _______ you are comfortable with it.
| A．unless | B．if |
| C．until | D．while |