Stop
A. Stoped
B. Stopped
C. Stop

Random Topics:
PrepositionGrammar (Adverbs, Prepositions, Prepositional Phrases)Communicative GrammarConditionals (0 - 1 - 2)Tense,noun,preposition,quantityDefinite ArticlesGrammar: is/are/was/wereComparisionsWh QuestionsTOEIC GrammarOther quiz:
Tenses › ViewThey ___ (to wait) for the bus for 30 minutes when it arrived.
A. waited
B. had been waiting
C. wait
Modal Verbs and Contrastive Conjunctions › View
Which sentence correctly combines a modal verb and a contrastive conjunction?
A. We must leave for the airport early to catch our flight, yet we might still miss it due to traffic.
B. He might attend the party tonight, but he must finish his assignment first.
C. She should go to the gym regularly, or she might not achieve her fitness goals.
D. They could go to the concert this weekend, yet they could also go to the amusement park instead.
Vocabulary › ViewIt’s very ____, saving money and energy, to build energy-efficient buildings that don’t lose heat.
A. connected
B. risky
C. cost
D. economical
Grammar › View
Employee loyalty ___________ when a confidential document was leaked to the press.
A. Was questioned
B. Doubted
C. Was broken
D. Was doubted