Can you play ________ guitar?—Sure. It’s a piece of cake for me.

Helen，my parents asked me to give you some flowers______ your birthday.—Oh，please say thanks______ me.[ ]

About two _________boys took part in the running race.

If you don’t go to the meeting tomorrow, _______________.

Could you please come to the museum with me this afternoon?—Sorry，I ________．I have to take a piano lesson at 2 pm．