Melting ice(融冰)can cause sea levels to rise. Since 1993, sea levels _______ at a speed of 3.2 cm every 10 years. ( )
A.roseB.have risenC.rise
If the company fails to make enough money,it will have to ( )
take away
close down
break up
set off
Did you call Fred back?
I didn't need to, I'll see him tomorrow.( )
because
unless
when
though
That's all I have to say.Is there anything you'd like to ?( )
talk
require
hold
add
Is it OK if I sit on this chair?
Sorry. ( )
Here you are.
Take it.
Not at all.
It's taken.
If there's a lot of work ,I'd like to keep on until it is finished.( )
do
to do
done
doing