—Can you guess _______ ?— I've no idea about it.A. why was he lateB. when shall we have the sports meetingC. how much he paid for the camera
_____ have you been swimming? For five years.
It’s really cold today, ______ ?
---He’s never been to an aquarium. ---_______.
Would you mind ______ those old jeans?
I have been skating _______ nine o’clock.