1-Heba is taller than Maha.(then)
2-Ahmed is better than Ali.(less)
3-He is such a good boy.(good a)
4-He is so efficient that he doesn't make any mistake.(an)
5-You can't be serious.(joking)
6-I answered all the questions although it wasn't neccessary.(needn't-didn't)
7-I'm willing to stay till you return.(don't mind)
8-Take care of yourself.(after)
9-He is said to be genious.(It)
10-They don't read English novels very often.(hardly)
1-Heba is tall,then there is Maha.
2-Ali is less good than Ahmed.
3-He is so good a boy.
4-He is such an efficient boy that he doesn't make any mistake.
5- You must be joking.
6-I needn't have answered all the questions.
I didn't need to answer all the questions.
7- I don't mind staying till you come.
8-Look after yourself.
9-It is said he is genious.
10-They hardly read English novels.