13He is too week to lift such a heavy box.
14. The question is too hard for her to answer
15.he is not rich enough to buy a house 
16. He is not old enough to see the borrow film
17.The house..........isn't cheap enough for us to buy
18 she is to study abroad
19.We are going to visit Nha Trang

1. He isn't strong. He can't lift such a heavy box.

He is too week to lift such a heavy box
3 he isn't rich enough to buy a house
4. Peter isn't old enough to see the horror film
5This dress isn't cheap enough for me to buy
 6.she is going to come over to pick you up.
7We are going to visit Nha Trang next weekend.