We should do ____ to stop sandstorms(沙尘暴)from happening again and again.
clock and English book are on the computer desk.
---Is my hat on your bed, Cindy? --- .And your jacket is here, too,
---Where are their keys? ---They are .
---What number should appear next after eighty-one? ---It’s ___________.
A. two hundreds and forty-three B. two hundred and forty-seven C. two hundred and forty-eight D. two hundred and forty-three
---Can you answer this question? --- ______________.