23.It is______ you’re tired; you’ve been walking for hours.
—Do you have any problems if you _________ this job? —Well, I'm thinking about the salary.
There used to _________ a truck _________ and I can't get through.
He _________ live in the country ;but now he has _________ in the city.
No matter how low you consider yourself, there is always someone _________ you wishing they were that high.
Would you please __________ the paper for me and see if there are any obvious mistakes?