That scientist _________________ a cure for one type of cancer. His achievement was announced in the NY Times last week.
B. Is discovered
C. Is discovering
D. Has discovered
Abstract vs. Concrete Possessive Adjective Gerund vs. InfinitiveFuture - be going toReported - GerundCompliment, Congratulation, and Hopewas werePresent, Past and Future TenseIdentifying Tenses
Other quiz: Grammar
My name is Annie. This is (Annie) ______ father.
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