Topics: Vocabulary and Grammar
Experts have_______ some exiciting discoveries about volcanoes recently.
A. done
B. discover
C. made
Select your answer:

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Preposition and ConjunctionPast TensesGerund/ To Verb/ VerbFuture Tense (will/be going to/p.continuous)Present Simple with Adverbs of FrequencyModals - Have to or ShouldWorld Literature VocabularyBe Going To vs. WillUsed to & would & Past SimpleImperative SentencesOther quiz:
Grammar › ViewA speeding tanker truck……….gas crashed and exploded in a huge fireball along a highway near Mexico City.
A. carrying
B. carried
C. carry
D. to carry
Simple Past Tense › View
We ________ at the library last month.
A. is
B. was
C. were
D. are
