A small sample is over there in the glass ___.
a. file
b. phial
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Grammar - used toFuture TenseModal Verbs and Contrastive ConjunctionsComparatives ( adj/ adv)Passive Voice & TensesA(n), the, no articleAdjective ClauseVerb Tenses and Subject Verb AgreementPast TenseParticiple Clauses & Cleft SentencesOther quiz:
Prepositions › ViewI have been studying ___ half an hour.
a. until
b. since
c. for
Modal Verbs › View
In most developed countries,it is not necessary for people to boil water before they drink it.
A. In most developed countries,people ought to boil water before they drink it.
B. In most developed countries,people must boil water before they drink it.
C. In most developed countries,people needn’t boil water before they drink it.
D. In most developed countries,people mustn’t boil water before they drink it.
Grammar › ViewWhat is the subject of this sentence:
Washington DC is the capital of the USA.
A. USA
B. is
C. capital
D. Washington DC
Grammar › View
a family of young animals, especially birds; any group having the same nature and origin; to think over in a worried, unhappy way
A. animated
B. brood
C. culminate
D. drone