[محمد خالد ابراهيم]

A: i will take my exam next week . What do you advise me to do ?
B : you shoud concentrate on the main vocabulary ana grammar .
A: Thank you sir .
2_ find the mistake : 1- we have breakfast at seven o'clock
2- our neighbour will make an operation on his knee
choose : The servant ......... to sign in the kitchen .
a ) heard b) was heard c ) was hearing d) has heard