ОЧЕНЬ СРОЧНО ПОМОГИТЕ ПОЖАЛУЙСТА !!!!!!!!!!!

ОЧЕНЬ СРОЧНО ПОЖАЛУЙСТА ПОМОГИТЕ

D| Выберите правильный вариант ответа.

31 Have you............ been on a school trip?
C before
D ever
А yet
C before
32 Lizzie has been having dance classes................
she was four years old.
A for
C since
B from
D when

33 Had you been learning French ......
several years before you took your first exam?
A for
C since
B from
D when​