mọi người giúp mình với ạa
add commas where necessary. Change the relative clause pronoun to that if possible
1.The students who did not come to the class yesterday explain their absence to the teacher
2.only people who speak Russian should apply for the job
3.matthew speaks russian applied for the job
4.the rice which we had for dinner last night was very good
5. rice which is grown in many countries is a staple food throughout much of the world
6. the newspaper article was about a man who died 2 years ago of a rare tropical disease
7. i have found memories of my hometown which is situated in a valley
8. i live in a town which is situated in a valley
9. a river which is polluted isn't safe for swimming
10. goats which were first tamed more than 9000 years ago in Asia have provided people with milk' meat' and wool since prehistoric times.