Choose the both words or phrases that are not correct in standard written English:
36.You can do this math problem by yourleves .You're a student smart enough to firgue it out
37.Every night I open the bedroom window so that to let in some fresh air
38.Our company is succesful enough to start several new branches in overseas
39.Do you enjoy being alone sometimes, or do you prefer being with other people all the time?
40.I'm planning to get a car as soon as I can afford buying one