[ Idioms ]
To “screw up” is to ___.
a. do it perfectly
b. make a mess
c. go higher and higher

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Grammar - Capitalization and Possessive NounsSubject/Verb Agreement with Collective NounsAuxiliary VerbsElectricity VocabularyShould and Shouldn'tSimple Compound and Complex SentencesPast TenseAdjective / Noun + to InfinitiveModal and Auxiliary VerbsAdverb of MannerOther quiz:
Tenses › ViewThe sunny spells ____ for a few hours yesterday morning.
A. lasted
B. last
C. are lasting
D. will last
Grammar › View
I’ve lost the key. I _______________ it in a safe place.
A. must put
B. can’t have put
C. ought to have out
D. mustn’t have put
First Conditional › ViewIf you …. how to cook, …… dinner for me?
A. won´t learn / will you prepare
B. learnt / will you prepare
C. learns / will you prepare
D. learn / will you prepare
Grammar › View
Find the noun.
The white snow is very cold.
A. cold
B. snow
C. white
D. very