I have a birthday party this evening. Are you free —Yes, I am.

In the maths examination,I was puzzled with the last question,__________ ,my ink ran out.[ ]

You ________ reach him on his mobile now — his mobile is still under repair.

ou enjoy yourself last weekend, Tom—Yes, as you know, ______ birthday party went on in_____ most pleasant atmosphere.

father ______ here yesterday, he wouldhave stopped me from going surfing.