Bob took a photo of his girlfriend while she _________ at the party.

Is there anything Ican do for you—There seems tohave been a technical problem—______，that’s what they toldme

In case anyone ________come in my absence，tell him I will be back soon.—Sure，I will.

I can’t quite remember ________ you started playing golf.

They got two free tickets to Canada, otherwise they______ able to afford to go.