ПЕРЕВЕДИТЕ НА АНГЛИЙСКИЙ (1) Насколько умен этот ученик?

1. How clever is this pupil? 2. Is it safe enough to travel by plane? 3. How large is your new house? 4. How much sugar do you usually put? 5. How many flowers do you want to get? 6. How long is this river? Или What is the length of this river? 7. How long does it take you to learn 10 words by heart?