Hydrogen internal-combustion engine

Hydrogen internal-combustion engine

Instrucciones del autor

(Taken from "Bonamy. Technical English 2". P.61. Ex. 9. Unit 8.2)
Fill in the blanks with the correct Simple Present form of the verbs.

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Countable or uncountable

Grammar - ESL

Students have to decide if the noun is countable or uncountable.

Past Simple Routine

Grammar - ESL

Learn the daily routine verbs in the past tense

Past Simple and Past Continuous

Grammar - ESL

Pasado Simple y pasado continuo: forma y uso.

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Grammar - ESL

nsns nananqn nwnw