[ Everyday vs. Every Day ]
Has he spent … to study diseases?
a. everyday
b. every day

Random Topics:
Modals of ProbabilityEs and SConditional and Mix Conditional SentenceFuture Simple TensePresent Continuous TenseGrammar and Verb TensesSubject Verb Agreement and Verb TensesSimple Present VS Present ContinuousGerunds, Infinitives and Modals of PossibilityInversion + Passive VoiceOther quiz:
Modal Verb › ViewDaisy is reading her English test because she has a test tomorrow. She_____ study hard.
A. will
B. should
C. must
D. can
Future Continuous Tense › View
They …. at nine tomorrow morning .
A. are fishing
B. will be fishing
C. will going to fishing
D. will fishing