As there was just one vacant position, all the candidates tried their best to leave a favorable ______ on the interviewer to make themselves stand out.
-- I am going to Sidney for further studies next month. -- That's fantastic. Can you keep emailing me ______ you are there?
The well was found __________ when we got there.
Tom, ________________ you from taking a hand in that affair, you ______________ in prison.
The group’s research has done much toour knowledge of the HIV virus.
______ right in the center of the city, the park attracts a lot of tourists.