_______ you call me to say you’re not attending my birthday party, I’ll see you at it.
The girl didn’t know who ______ for the broken vase.
______ with the size of the whole earth, the highest mountain does not seem high at all.
-- How long do you think it will be ______ the bus arrives here?-- No more than five minutes.
Making a proper choice ______ the future will probably make much difference in our life.
In Canada, cross country skiing is a popular sport among people ______ they can enjoy excitement and adventure.