Sir, could I hand in my homework a bit late— _______, since you’ve been unwell these days.

, how are you getting on with your composition— I have rewritten it so many times that I wonder if I________ it.

下列没有运用比喻修辞手法的一项是( )

We were all worried over _______ you weresick

Sadly, the number of the giant pandas getting ________________.