The headmaster warns us _____________ the school rules，or we'll be punished．（ ）
| A． |
don't break |
B． |
to break |
| C． |
not to break |
D． |
breaking |
﹣﹣﹣What's twenty and fifty？
﹣﹣﹣It's ____________________.（ ）
| A． |
fifty |
B． |
seventy |
C． |
eighty |
D． |
ninety |
If the weather is nice，we could have a（ n）___________ in the park.（ ）
| A． |
picnic |
B． |
chance |
C． |
place |
D． |
idea |
Jim started to play ___________ violin when he was five.（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |
单词辨音（ ）
| A． |
chair |
B． |
su ch |
C． |
mu ch |
D． |
s chool |
单词辨音（ ）
| A． |
both |
B． |
la b |
C． |
com b |
D． |
box |