How long did it -------- you to type this letter?

 …………… students enrolled this year than last year at New York University.

Mary …….. her treatment almost two years ago.

Women in the past .…. work outside the home as nowadays.

Where ……. next summer?

Thank you for letting me …….. your dog for a walk.

To my ………., John is very good at Vietnamese.

……… I was a child, I used to play football.

Chewing gum ………… in Sweden in 1993.

 The World War II …… in 1939 and …… in 1945.

He is . ..................... boy in the class.