[ Tenses ]
Scientists _____ that some artificial photosynthesis ______ possible.
A. will hope / is
B. are hoping / will have been
C. hoped / was
D. hoped / had been
E. hope / will be
Random Topics:
Will and Going toQuantifiers and AdjectivesPresent Simple: affirmative, negative, interrogativePast Perfect SimpleGerund, Participle, Infinitive, or AppositiveActive vs. Passive VoiceAdverb and Sentence StructureAdverbComparative and SuperlativesComparison & Modal Verbs in Passive VoiceOther quiz:
Grammar › ViewWhich word means something done every day?
A. yearly
B. daily
C. annually
D. weekly
Grammar & Vocabulary › View
Antartica is the ___________ place on earth.
A. colder
B. more cold
C. coldest
D. most cold
Grammar › ViewLily was an hour early for the train, so she __________ feel stressed or worried.
A. don’t need to
B. won’t need to
C. didn’t need to
Modals - Conditionals - Future Tenses › View
The zookeeper would have punished her with a fine if she … (to feed) the animals.
A. feed
B. fed
C. feeded
D. had fed