Ⅰ. 单项选择。(10分)
( )1.—Were you at home _________?
—No, I was at school.
A. two days before B. two day s ago
C. before two days D. ago two days
( )2.—Lucy, _______ you draw pictures?
—Yes, I _____.
A. can; could B. could; could C. can; can D. could; can