[ Grammar ]
Those dogs …….. crazy
A. is
B. are
C. not
D. am

Random Topics:
Definite and Indefinite ArticleConjunctions - ConnectorsProgressive Perfect and Simple Verb TensesTenses and Time MarkersRelative Clauses and Past PerfectModals for RecommendationsNoun QuantifiersContrast Linking WordsConjunctive Adverbs and PunctuationZero & First ContidionalOther quiz:
Past Perfect Tense › ViewMy sister washed up the plates after she _____ (have) her lunch.
A. have had
B. has had
C. have
D. had had
Auxiliary and Modal Verbs › View
Which characteristic do modal auxiliary verbs share with primary auxiliaries?
A. They must be followed by a full infinitive
B. They can be used in the progressive tense
C. They lack a full set of forms
D. They have proper past tenses
Vocabulary › Viewremarkably or impressively great
A. Exalted
B. Prodigious
C. Invigorate
D. Devotee
Grammar › View
If they ___ (help) us, we would have succeeded.
A. helped
B. have helped
C. had helped
