This apple pie is too sweet，don’t you think so— . I think it’s just right，actually.

_______it took 200 years to move from the steam engine to the Internet, there could be major development in _______ are now considered frontiers(尖端) of science in just the past few ten years.

My best friend Alex failed in the maths competition. I’d like to _________.

Only one of the places is ________

f us manage our physical health better than ouremotional health, ______ problems to cause real harm