Sue works ，so she never seems to make mistakes.（ ）
| A． |
late |
B． |
alone |
C． |
happily |
D． |
carefully |
I feel a little _____ about the coming English exam．
Take it easy． The better you prepare， the better grades you will get．（ ）
| A． |
nervous |
B． |
disappointed |
| C． |
bored |
D． |
cross |
Some children prefer to eat sweet chocolate _____ it's not good for their health．（ ）
| A． |
because |
B． |
if |
C． |
when |
D． |
though |
I like this watch very much． I _____ it for five years．（ ）
| A． |
have had |
B． |
had |
| C． |
have bought |
D． |
bought |
Our country is 70 years old this year． We will celebrate her _____ birthday on Oct．1．（ ）
| A． |
the seventieth |
B． |
seventieth |
| C． |
the seventy |
D． |
seventy |
Excuse me! Is this your pen？
No， it's not _____． It's Tom's．（ ）
| A． |
hers |
B． |
his |
C． |
mine |
D． |
yours |