[ Grammar ]
The athletes ___ in 68 different events.
a. participating
b. participated
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Conditional and Mix Conditional SentenceLexico and GrammarTransitional Phrases and ConjunctionsGRAMMAR - Could / Could notSynonym and AntonymIf ConditionalsPast ParticiplesGrammar : Structural Common ErrorsFrequency AdverbsPast Perfect Simple TenseOther quiz:
Vocabulary › ViewIdentifying the age of layers of rock also fixes the age of fossils that are within those layers. What does fixes mean?
A. Causes
B. Hides
C. Establishes
D. Casts doubt on
Vocabulary and Grammar › View
Identify the correct sentence that uses the present perfect tense:
A. I am finishing my homework
B. I will finish my homework
C. I have finished my homework.
D. I finished my homework