[ Modal Verbs ]
They should __________ their umbrellas with them. It is raining outside.
A. not take
B. taking
C. took
D. take

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Definite, Indefinite and Zero ArticlesGrammar and Verb TensesMust Vs Have toSimple Past or Past ContinuousPresent and Future TensesModals and VocabularyVerb BEConditional TypesPresent/Past/Future Continuous TenseConditional Sentence Type 2 and Type 3Other quiz:
Countable Noun › ViewHe has a good job and makes a large _____ of money
A. Amount
B. Number
a, an, the, Zero Article › View
Be careful. Radiation from —— sun can cause skin cancer.
A. A
B. An
C. The
D. —
I __ (talk) to the manager already about the issue.
A. talk
B. am talking
C. have talked
D. have been talking
Suffixes (ing-ed) Sentences › View
Nuclear weapons _____ a threat to everyone now.
A. are posing
B. are illuminating
C. are reducing
D. are eliminating