viết lại câu từ so... that snag too 
21. the river is so deep that we can't wade it 
22. he is so lazy that he won't het up early 
23. he won't get up so early  that  he never catches the fast train 
24. the ice is so thick that we can walk on it 
25 .he was so drunk that he  couldn't  answer my question 
26. it is so cold that we can't have breakfast in the garder
​27.he was so  rash that  he set  off up the moutain in a thick fog
28. we aren't  so high that we can't see the summit 
29. you aren't so old that you can't understand these things 
30. he was so snobbish.that  he  wouldn't talk to any of us