I.选择题
1.—Look! What’s that moving high up in _______sky? —It must be ______plane.
A. a; the B. the; / C. the; a D. /; a
2. _______forget________ the door when you leave.
A. Not;close B. Don’t;close C. Don’t;to close D. Not;to close
3. This book is very________ . I am ______in it.
A. interesting;interesting B. interested;interested
C. interesting;interested D. interested;interesting