I asked my English teacher and he replied with a ________look.
The ship will go faster if we sail _________ the wind.
The president is planning to increase the number of the students _________ to the university next year.
--Is your dad at home? --No, he_________ out.
. --Can you smell something _________ in the house? --Oh! I forgot to turn off the gas cooker!
--Dad, I want to go out for dinner with my friends tonight. --Keep in mind _________ you have to be home by 9:00.