------Is your father a teacher of English in the No.l Middle School?-------No! But he _________ English there for ten years.

Scientists still wonder whether cloning will help or harm us and where it ____ us.

I wonder if your sister will go to Mary’s birthday party．If she_______，so______I．

---Did you ask Sophia for help?---I ______ need to – I managed perfectly well on my own.

 It is suggested that some skills teachers ________ to teach the children in these mountainous areas .