In the following words, which underlined（下划线的）letters have a different sound from the others?
| A． |
birth |
B． |
either |
C． |
earth |
If you want to keep your teeth healthy，you'd better not eat ________ a lot．（ ）
| A． |
something sweet |
| B． |
anything sweet |
| C． |
nothing sweet |
There is little pollution in that village，_______？
No．The air there is quite fresh and clean．（ ）
| A． |
is there |
| B． |
isn't there |
| C． |
is it |
My cousin is ______ heavy because he often eats ______ fast food．（ ）
| A． |
much too； too many |
| B． |
too much； too much |
| C． |
much too； too much |
Chairman Xi Jinping ______ the president of the USA ______ April 6th，2017．（ ）
| A． |
will meet； in |
| B． |
met； on |
| C． |
meets； on |
My grandmother was ill in hospital yesterday．
______．（ ）
| A． |
That's all right |
| B． |
I'm sorry to hear that |
| C． |
That's a good idea． |