Inicia sesión
Crear actividad
Tipos de actividades
Centro de ayuda
Introduce tu Game Pin
Blog
Premium
English
Español
Français
Crear actividad
Inicia sesión
Todas las actividades
Jugar Test
Imprimir Test
WH questions present perfect
Author :
Closer English
1.
Google has changed the way people search. (how)
2.
you have used several search engines. (which ones)
3.
Larry and Sergey haven’t finished their degrees. (why)
4.
They have made a lot of money. (how much)
5.
We have used the computer lab several times this semester. (how many times)