_______ I’m not sure of winning the match, I will have a try anyway.

I’m not sure whether I can hold a party in the open air, because it___ the weather.

You see，I’m poor in maths，you are not good atEnglish，and…—That’s________we should help each other.

They were _______ when they heard the _______ news.

I carried the bowl with both hands________, so that Iwouldn’t break it.