[ Subject-Verb Agreement ]
One of the books ___ been missing.
A. Has
B. Have

Random Topics:
Tenses - Irregular VerbsWish, Unless, If sentenceTensePast Perfect Tense and Past TenseDaily Routines & TensesGerunds and InfinitivesPrepositions and ArticlesPrepositional PhrasesModals and Past ModalsSubjective and Objective PronounOther quiz:
Vocabulary › ViewWhat’s the noun form of wide?
A. widen
B. waiden
C. width
TOEFL › View
In prehistoric ___________ of western Utah was covered by Lake Bonneville.
A. times, a large part
B. times, there was a large part
C. part of the time
D. for large parts of time
Grammar › ViewMount Everest is the………………mountain in the world.
A. high
B. higher
C. highest
D. least high
Present Tense › View
She … very patient and intelligent.
A. are
B. am
C. is
D. were
