词汇运用（计10分）
Boys and girls,can you look after____(you)well in the summer holiday?
It’s cold inside the room. Would you please stop the man from ____ (open) the windows ?
A mobile phone of that kind will cost at ______ (little) ￥2000.
She was so _____ (care) that she wore different socks on her feet .
My aunt ______ (teach) me to play the piano when I was a child .
It _______(惊讶) everyone when the lost boy stood in front of the school gate.
He believed that I could walk again in a few ____ (月) time.
The sunlight came in ______ (穿过) the windows in the roof and lit up the whole room.
I’m sure we will succeed in ________ (保护)our earth.
The baby panda _______ (重) 20 grams now .