The third one, read the directions carefully. The fourth one is for after you finish. The first and second are clearly incorrect.
was sure is the error in this sentence. So the last one is incorrect
What I do is I put in my earbuds and listen to music. It helps me and I don't go off task. If that doesn't help then try setting an alarm on your phone for 30 minutes read till that alarm goes off then take a 5 or 10 minute break then go back to reading for another 30 minutes. Hope this helps :)
The answer to the question is 10
6oz = 200 ml
1000ml =1L
which means