He appears to be strong and healthy but, __________ he suffers from a weak heart.

If you want me to help you, why don’t you say ____

Like some of my classmate, I can’t live up to my teachers’ expectations; ______, I let them down

下列各句与例句句式特点不同的一项是(　　)例句：彼且恶乎待哉

▲ good time we had in the park yesterday afternoon！