下列各句中，没有语病的一句是（ ）

Can you stay here longer—_______.But I have to prepare for my exam.

Hello, who’s________— ______is Lucy. May I speak to Andy

I will come to attend your lecture at 10:00 tomorrow— I’m sorry, by then my lecture will have ended and I ______ my guests in my office

This pair of trouseis ____ too long forhim