[ Grammar ]
He has been very interested in doing research on __________ since he was at high school.
A. biology
B. biological
C. biologist
D. biologically

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How much and how manyArticle & PrepositionBasic GrammarPronunciation and VocabularyFuture or PastProgressive TensesPast Tense, Recount Text, and Future TensePast TensesWish / If only ( Present)PassivisationOther quiz:
Grammar › ViewI asked a lot of questions but he didn’t answer _________.
A. no
B. none
C. not
D. any
Vocabulary and Grammar › View
You have to improve your communication skills if you want to be ______ in the hospitality industry.
A. applied
B. organised
C. satisfied
D. employed
Verb Patterns › ViewThe teacher tried ……..(encourage) students to work harder.
A. encourage
B. to encourage
C. encouraging
Past Tenses › View
The past perfect simple shows the result of an action completed before another event.
A. TRUE
B. FALSE