Biết $\dfrac{2}{7}$ của $a$  bằng $28$, số $a$ là:

Exercise 10: Change these sentences with "..so....that…"

1. My brother is too short to play basketball.

2. These shoes are too small for me to wear.

3. This program is interesting enough for us to see again.

4. She is too old to run fast.

5. These exercises are easy enough for us to do.

6. The tourist guide walked too fast for us to catch up with.

7. Tom is clever enough to do this test in three minutes.

8. That part of river is too polluted for them to swim in.

9. I was thirsty enough to drink five glasses of water.

10. It's too far for him to walk.

(giúp mik vớii ạ)