[ Grammar ]
After they developed the ________, they put it into practice
A. theory
B. task
C. chore
D. tough
Random Topics:
Simple Present ProgressiveGrammar - Wh QuestionsTypes of PhrasesGrammar Present Perfect (ever never)Tenses and Word FormationAdjectives & PrepositionsSecond ConditionalPrepositions after Verbs and AdjectivePossessive Adjectives and Possessive PronounsIndependent/Dependent Clauses & Relative ClausesOther quiz:
Gerunds and Infinitives › ViewThey tried ………… to the party on time but the bus was delayed.
A. to get
B. getting
Present Continuous, Present Perfect and Used to › View
Which one is the present perfect simple?
A. I do my homework.
B. I am doing my homework.
C. I have done my homework.
D. I have been doing my homework.