[ Grammar ]
Better methods of refrigeration depend ______ engineers.
A. on
B. in
C. to
D. at

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Indirect SpeechSubject Verb Agreement; Indefinite PronounsGerunds and TensesContractions and ConjunctionsVerb BEGrammar on ConditionalsSuffixes (ing-ed) SentencesReported - GerundTenses and OpinionsPassive Modals, Impersonal PassiveOther quiz:
Passive Voice Active Voice › ViewHow many doors … yesterday?
A. Had painted
B. Were painted
C. Are painted
D. Painted
Future Continuous Tense › View
Students _______________ (speak) English the whole lesson tomorrow
A. will be speaking
B. were speaking
C. are speaking
D. was speaking
Grammar › ViewThey ___________ born in Paris.
A. was
B. were
C. are
D. is
Tenses › View
How many letters … ?
A. has she been writing
B. has she written
