[ Irregular Verb ]
In 1980 He … (become) an American citizen.
- became
- become

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Grammar › ViewThe teacher encouraged her students with a motivating speech, and they excelled in the science fair against more experienced competitors.
They in the sentence is what type of pronoun?
A. Nominative
B. Objective
C. Possessive
Grammar and Vocabulary › View
Choose the word or phrase that goes with airport.
A. bus stop
B. a flight
C. house
Past Simple Tense › ViewWhat did you (do) ______ last night? – I (do) ______ my homework.
A. do/does
B. do/do
C. do/did
D. did/did
Vocabulary › View
It’s a good idea to see your doctor regularly for a(n) .
A. revision
B. control
C. investigation
D. check-up