Of all the blue holes in the world, Sansha Yongle Blue Hole in the South China Sea is now ____. It is 300.89 meters deep.( )
A.deeperB.very deep
C.as deep asD.the deepest
It is said that thirteen is unlucky number in many Western countries.( )
a
an
the
﹣I think wearing seat belts is very important for road safety. ﹣_____( )
That's all right.
I'm sorry.
That's a good idea.
I agree.
﹣_____﹣It's a pleasure.( )
Don't worry about the task.
Thank you for showing me around.
Be careful when you travel.
You' d better go to the dentist's now.
Vivian will take her daughter to the amusement park_____she gets the tickets.( )
if
until
although
unless
Which club do you prefer to join,the chess club_____the dancing club?( )
so
but
or
for