-----Hi, Peter. Long time no see.-----Oh, it’s you, Jack. I’m sorry I didn’t ________you at first.

We are at your service. Don’t _______to turn to us if you have any further problems.

Those lovely flowers were ______ for your mother for her 57th birthday, but as she is away, I would be glad if you accept them.

________ I know, light travels not only in a straight line.

When he went out of his office, he found his car __________.