Ⅰ. 单项选择。（15分）
( )1.—Did you have breakfast this morning?
—No, I got up late and went to school _______ breakfast.
A.for B.in C.without D.after
( )2.Your classroom is so dirty. Everyone should keep it _______.
A.dry B.open C.quiet D.clean
( )3.There were _______ animals in the forest many years ago.
A.thousand of B.thousands of
C.three thousand of D.three thousands of
