[ Vocabulary and Grammar ]
Scientists don´t spend all their time _______research in laboratory
A. doing
B. coming up
C. making

Random Topics:
Coordinating ConjunctionIELTS VocabularySynonyms and VocabularyIndefinite ArticlePossessive NounsDefinite and Zero ArticleAdverbDependent PrepositionSubordination ConjunctionsPast and Future TensesOther quiz:
Tenses › ViewWhich tense is typically used to describe an action that is ongoing at the moment of speaking?
A. Present Simple
B. Present Continuous
C. Present Perfect
D. Present Perfect Continuous
Grammar › View
Some questions on the math test are very … . The students don’t know how to answer them.
A. confusing
B. confused
Countable and Uncountable Nouns › ViewAunt Meg put ________ salt in the soup.
A. much
B. many
Grammar › View
The majority of my students ____ hardworking.
A. is
B. are
