We use chopsticks every day and it is Chinese tradition.( )
his
your
our
their
﹣Many boy students think math is ______ English.
﹣I agree.I'm weak in English.( )
much difficult than
so difficult as
less difficult than
more difficult than
Do you want to be healthy?______.Smiling can help you stay healthy.( )
Smile
Smiling
Smiles
Smiled
﹣I want to borrow the book,but I don't know how long it may ______.
﹣For two weeks.( )
keep
be borrowed
borrow
be kept
I hope everyone can care about ______ the environment and stop ______ things.( )
protecting; wasting
protecting; to waste
protect; wasting
protect; to waste
﹣﹣George,how can you prove(证明)the earth is round?
﹣﹣I can't,sir._______,I never said it was.( )
Except
Unless
Besides
Including