In the following words, which underlined（下划线的）letters have a different sound from the others?
| A． |
birth |
B． |
either |
C． |
earth |
Look!they basketball on the playground． （ ）
| A． |
play |
B． |
plays |
C． |
are playing |
My sister is than me．（ ）
| A． |
thin |
B． |
thinner |
C． |
thinnest |
This is friend． His name is Tom．（ ）
| A． |
my |
B． |
me |
C． |
I |
is a healthy drink．（ ）
| A． |
Water |
B． |
Egg |
C． |
Apple |
Which of the following sentences is correct？（ ）
| A． |
He came in and sat down． |
| B． |
We all like＜Harry Potter＞． |
| C． |
When we met．He didn't say hello． |
| D． |
We went out，headed for the bus stop． |