Mis amigos ____________  (estar) de vacaciones en Hawaii.  

Jack, an American, goes to Japan for a study abroad program. He is very friendly to everyone he meets but notices that that the more he smiles, the more people seem to distance themselves from him. Why might his smiles be eliciting this response from Japanese individuals?

Mi computadora es nueva.  Funciona ___________________ (perfecto) bien.  

Photon energy and frequency have a(n) ______ relationship

This Puritan leader established himself Lord Protector (dictator) of England and was in charge of the Roundheads.

Liam watches a documentary about space. What is happening at the neuronal level as he watches this program and forms new memories about the topic?

Nuestros vecinos viajan __________________ (constante).

¿No _______________ (entender, e:ie) tú el español?  

Building on Copernicus’ work, this man developed a sophisticated model for planetary motion in the solar system

In which country did the First Industrial Revolution begin?