We only _____ top quality materials.
A. uses
B. used
C. use
D. are using

Random Topics:
Adjectives or AdverbsGrammar - Punctuation of SentencesAdverbs of Frequency and Everyday ActivitiesModal PerfectVocabulary & GrammarVerb Usage and GrammarParticipal PhrasesAdverbs, Modals, Preposition of timeLinkers and ConjunctionsExclamationOther quiz:
Subject-Verb Agreement › ViewWater bottles that _____ BPA can be bad for your health.
A. Contains
B. Contain
Past Perfect Simple & Past Perfect Continuous › View
Maria (leave) the field when her friend got there.
Which is the correct past perfect simple for the sentence above?
A. had left
B. had leaving
C. has left
D. have left
Modals › ViewIf you should do something, then it is….
A. recommended
B. necessary
C. prohibited
D. obligatory
Conditional Tenses › View
Recognize the conditional perfect continuous sentence: If they had been working together, they would have finished the project on time.
A. If they had been working together, they would finish the project on time.
B. If they had been working together, they would have finished the project on time.
C. If they were working together, they would have finished the project on time.
D. If they had been working together, they will finish the project on time.
