62. Instead of answering, she merely smiled. Which of the following can best explain the meaning of the underlined word?
environmental damage is done, it takes many years for the ecosystem to recover.
---Could you do me a favour? ----It depends on it is.
There have been several new events to the programme for the Olympic Games.
tomorrow, our ship will set sail for Macao.
----She looks very happy. She have passed the exam. -----I guess so. It’s not difficult after all.