She was tired because she _______ on the computer
A) had been working
B) was working
C) worked


Larry and Sergey _____ at college when they met.
A) were studying
B) studied
C) study

Bees were ____ all around,
A) stinging
B) biting
C) buzzing


Did you have a good time at the ballet?
A) it was fantastic
B) yes, it’s great.
C) I couldn’t put it down.