(8)I won’t believe what he says.(使用状语从句)
→No matter what he says,I won’t believe.
(9)If you study hard,you will make rapid progress.(使用并列句)
→Study hard and you’ll make rapid progress.
(10)He had no sooner come back from Beijing than he was sent abroad.(使用倒装句)
→No sooner had he come back from Beijing than he was sent abroad.