He is to finish the difficult work.
A. enough confident B. confident enough
C. enough confidence D. confidence enough
He didn’t finish the room.
A. clean B. cleaned C. cleaning D. cleans
---Could you please take out the trash? --- _________.
A. Not at all B. You’re welcome C. No way D. No problem
Could you please________ my pet dog when I'm out?
A. take care of B. wash C. work on D. water
--- Could I your bike? --- Sorry, I it to Jim yesterday.
A. borrow；lent B. lend；borrowed
C. lend；lent D. borrow；borrowed
--- Mom, could I go shopping with you?
--- Yes, you .But you must finish your homework first.
A. could B. can C. can’t D. couldn’t
