Răspuns:
Sigur!
Explicație:
a. How long has Sean been on a trip around the world?
b. How many foreign languages has he studied?
c. How long have they stayed at this hotel?
d. How many countries have you visited?
e. How long have they been waiting in the departure lounge?
f. How long have Maria and Mark been on a cruise?
g. How long have the customs officers been checking their luggage?
h. How many planes has Diana changed?
Sper că te-am ajutat!