China is ______Asian country while England is ______European country．（ ）
| A． |
an；an |
B． |
a； a |
C． |
an；a |
D． |
a；an |
﹣Where is Tom？
﹣He _____in his room． The light in his room is on．（ ）
A．mustn't beB．can beC．can't beD．must be
Reading is a good way____ the world．（ ）
A．for knowB．for knowsC．to knowD．to knows
______the kind﹣hearted lady ， the homeless boy has a new family．（ ）
A．Thanks toB．Thank toC．Thanks forD．Thank for
Lily is a friend of ______．（ ）
A．Mary's mother'sB．Mary's mother's of
C．Mary mother'sD．mother's of Mary
They didn't go home ______they finished their work．（ ）
A．becauseB．whereC．untilD．while