Don’t forget to come to our school assembly(集会)tomorrow morning.—I won’t. I was___________ just now.

You speak very goodFrench!—Thanks. I ______ French in Sichuan University for four years.

It seems that living green is _______ easy and affordable. A small step makes a big difference.

If you happen to get lost in the wild, you’d better stay ________ you are and wait for help. [ ]

People on the grassland ofis now Kazakstan were the first to achieve both riding and milking horses．