Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
My brother is always on medicine, so he has ___ table tennis to keep fit.
______the news, so far, has been good, there may be bad days ahead.
______ in March, that so many people had on their light wears.
We should consider the students’ request ______ the school library provide more books on popular science.
---The last one ______ pays the bill. --- Agreed.