If a＝2，b＝3，the answer to the question"3a+2b＝？"is （ ）
| A． |
twelve |
B． |
twelfth |
C． |
twenty |
D． |
twentieth |
Some people think it's the parents'job to _____ their children ________ a clean and comfortable environment at home．（ ）
A．offer；toB．offer；with
C．provide；withD．provide；to
﹣﹣﹣Cindy，is the baseball bat ______？
﹣﹣﹣No，_______ is over there．It must be Mark's．（ ）
A．your；myB．your；mineC．yours；myD．yours；mine
﹣﹣﹣Do you know how to spell ______ word"napkin"in English？
﹣﹣﹣Yes．It begins with ________"n"．（ ）
| A． |
the；a |
B． |
the；an |
C． |
a；the |
D． |
the；the |
My mother bought a lot ofapples yesterday．The underlined part" a lot of"means ______．（ ）
| A． |
much |
B． |
a few |
C． |
many |
D． |
a little |
We like the story because it's very interesting．The underlined part" interesting"means ______．（ ）
| A． |
scary |
B． |
fun |
C． |
boring |
D． |
terrible |