[ Idioms ]
Scientists will break ___ in their search for new sources of energy.
a. up
b. through
c. out

Random Topics:
Narrative TensesIn/On/At + TimeReported speech (statements)Demonstrative Pronouns and Verb TensesComparative Adjectives and AdverbsWho or WhomPast Progressive Tense1st and 2nd ConditionalsVocabullary TestVerbs & Phrasal VerbsOther quiz:
Grammar › ViewThe students made the scenery themselves.
A. Reflexive
B. Intensive
Simple Past Tense (was/were) › View
My brother and I ______- happy. They had got accident after watching a football match.
A. isn’t
B. wasn’t
C. weren’t
D. aren’t
Present Simple Progressive › ViewBe careful!You________too fast and it______dangerous!
A. run,is
B. are runing,is
C. are running,is
D. are running,isn’t
Modal Verbs › View
We ____ eat healthy food
A. can’t
B. should
C. could
