[ 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:
Grammar › ViewThe bus ………. in ten minutes.
A. Leaves
B. Is leaving
C. Leave
D. Leaving
Grammar › View
If it…. sunny at the weekend, we will go to the forest.
A. will be
B. is
C. 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