They have been friends __________ they were at primary school.
| A．before | B．as soon as |
| C．since | D．when |
从A、B、C、D四个选项中选出划线部分读音与其他三个不同的一项（ ）
| A． |
joined |
B． |
stopped |
C． |
arrived |
D． |
closed |
从A、B、C、D四个选项中选出划线部分读音与其他三个不同的一项（ ）
| A． |
father |
B． |
their |
C． |
thick |
D． |
that |
从A、B、C、D四个选项中选出划线部分读音与其他三个不同的一项（ ）
| A． |
head |
B． |
tea |
C． |
leave |
D． |
meat |
从A、B、C、D四个选项中选出划线部分读音与其他三个不同的一项（ ）
| A． |
bag |
B． |
fast |
C． |
had |
D． |
mad |
从A、B、C、D四个选项中选出划线部分读音与其他三个不同的一项（ ）
| A． |
he |
B． |
bed |
C． |
went |
D． |
left |