词汇运用 (共l0小题；每小题l分，计l0分)
I trust him because he can keep _____________(秘密)  for me.
We should learn to look after ___________(我们自己) now.
This term we learn a new subject—____________ ( 物理 ).
Chinese is one of the most important _________(语言) in the world.
The weather is much_____________（差的，坏的）today than yesterday.
People call Li Lei a sunny boy because he always has a ______(smile) face.
Daniel kept on_______(knock) on the door but on one answered.
Do you know what’s the ________(high)of Yellow Mountain? About 1864 metres.
We have a __________(week) test on English.
Can you remember your____________ names?（hero）