Ⅰ. 单项选择 (30分)
1. —Dad, _______I take your camera?
—Yes, you can.
A. must B. could C. might D. need
2. The hard work made me _______ very tired.
A. feel B. to feel C. feeling D. feels
3. A large number of students _______ playing football on the playground.
A. is B. to be C. have D. are