Ben， is physics your favorite subject？

Yes， and it is important one．（　　）

A．aB．theC．an

Whose book is this？

Kate's name is on it， so it must belong to ．（　　）

A．hersB．sheC．her

I can give you lots of on how to improve your speaking skills．（　　）

A．adviceB．wayC．idea

Macron is president in French history．（　　）

A．the youngestB．younger

C．young

I'll go to visit my aunt in England the summer holidays start．（　　）

A．sinceB．untilC．as soon as