I’m sorry you ______ so long, but it’ ll still be some time before Jim gets back

In those days, the old woman ________ sit at the door for hours, waiting for her son to return from abroad. [ ]

In times of trouble or difficulty, one may take __________ help is available.

I’m 1.70 metres. Yao Ming is 2.27 metres. I am ______ Yao Ming.

Have you _____? — No. I had the wrong number.