[ Grammar ]
Each girl and boy in the sixth grade …… do a social project.
A. Have to
B. Has to
C. Have
D. Has

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Tenses UsageIdiomsClause Markers TOEFL GrammarGrammar - Present Perfect with for and sincePre-intermediateElectricity VocabularyPassive Voice - Past SimplePresent Perfect Tense and Simple Past TenseModalsNo Excuse Words / Conjunction SOOther quiz:
Grammar › ViewThe boys ____ the window panes every week.
A. wiping
B. wipes
C. wipe
D. wiped
Auxiliary Verbs › View
In most developed countries, people ______ need to boil water before they drink it.
A. don’t
B. does not
C. have not
Phrasal Verbs › ViewDo you want to stop in this town, or shall we _______?
A. turn on
B. turn off
C. go on
D. look after
Prepositions & Prepositional Phrases › View
All of the following are prepositions EXCEPT:
A. in
B. under
C. with
D. became