[ 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

Random Topics:
Verbs & AdverbsDeterminers & QuantifiersActive Voice-Present tenseNounsVerbs and AdverbsPassive Voice - Past SimpleWish clauseGrammar: wishes and regretsPreposition FormConditional TypesOther quiz:
Grammar › ViewShe ….the idea that she will never become famous.
A. has resigned to
B. is resigned to
Grammar › View
A: There’s a documentary about the Apollo Project on TV. Do you want to watch it with me?
B: I’d love to but I’m a ………… busy right now.
A. bit
B. rather