﹣﹣﹣ To our eyesight,we'd better relax for a while after reading for a long time.
﹣﹣﹣ I agree with you.
A.harmB.protectC.examine
He got____ birthday cakes on his ____ birthday.( )
second;fifteen
two;fifteen
second;fifteenth
two;fifteenth
We find ________ more useful for students to do new eye exercises.( )
it
this
one
that
_____ such a cold morning,I also got up______ 6 o'clock to go for a run as usual.( )
Before;in
At;to
On;at
In;at
He is going to buy _______ useful book.And _______ book is on science.( )
a;an
a;the
an;an
an;the
We haven't decided ____________.( )
that we will repair our house
when did we go to the party
where we went on vacation
whether we will keep a pet