l ______ truth, he is at ______ losswhat to do currently．

Do you mind if I smoke here, madam— . It’s not allowed in public, you know.

下列各句中，没有语病的一句是（ ）

If you have any trouble, be sure to call me.—__________________________.

Do you know about the accident which happened in the center of the city? —YesBut it was some time we realized the truth