We _____ the work on time without your help.
Every year, a great many visitors come to visit the temple ______ the 12th century, ______ has brought a large income.
. She makes _______ effort to learn maths and she has made _______ great progress in it.
.I shall never forget the day _______ Shen Zhou V was launched, _______ has a great effect on my life.
When and where to build the new factory _____ yet.
I have many friends, ________ some are businessmen.