[ Grammar ]
Its economy centers ________ the production of rice.
A. at
B. to
C. on
D. with
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Present and Past Simple PassiveFuture FormsPassive SentencePronoun & Present SimpleConditional Sentence Type 3-ed and -ing AdjectivesModals for Ability, Possibility and PermissionTOEFL GrammarFirst Conditional SentenceGrammar - must & have toOther quiz:
Tenses › ViewBeyonce _________________ (sing) beautifully at her concert last night.
A. has sung
B. sung
C. singed
D. sang
Grammar › View
When you ….. me, I ….. the dishes in the kitchen.
A. were calling/ was washing
B. called/ was washing
C. called/ wash
D. call/ was
Mixed General Quiz › ViewGalveston and Corpus Christi ___ Texas cities along the Gulf coast.
a. am
b. is
c. are
Subject Verb Agreement - Indefinite Pronouns › View
Somebody ……………. waiting for you downstairs.
A. are
B. is