More than 100 students have entered for the competition and________ gains the most points will be the winner.
I shall never forget the day ________ Shen Zhou V was launched, ________ has a great effect on my life.
________ is known to everybody, Taiwan is a part of China. We must unify it.
The time is not far away ________ modern communications will become widespread in China’s vast countryside.
I hope that the little ________ I have been able to do does good to them all.