Topics: Past Tense and Neutral
John was working on his assignment when he saw his friend _________ over a brick on the floor.
A. trips
B. tripped
C. tripping
D. trip
Preview next quiz:
Alex saw the lost toddler __________ sadly while concerned passers-by were trying to comfort her.
A. sob
B. sobbing
C. has sobbed
D. had sobbed