Do you doubt______ he’ll leave all his money upon his death to his mother school?
There are still a few jobs to __________ so we cannot be released for the time being.
Our company has a new system to help __________ the best service __________ the customers.
It is in Qingdao __________ you're going to pay a visit to __________ this kind of washing machine is produced.
I had neither a raincoat nor an umbrella. __________ I got wet through.
I am really a bit worried because I have no idea what my parents' __________ will be to my poor examination result.