[ Grammar ]
…………………his shoes dirty?
A. Be
B. Is
C. Am
D. Are

Random Topics:
Grammar - to beSimple Present ProgressiveSimple, Compound, Complex SentencesIrregular Plural NounsRegular and Irregular Verbswould should couldPresent Simple and Modal VerbsGrammar - Future ActionVerb PhraseSentence Structure and Grammar RulesOther quiz:
Grammar › ViewI _________ at the bus stop when Dave came by in his car and gave me a lift.
A. was waiting
B. waited
Mixed Conditional › View
If + S + had + past participle verb + C , S + would + base form verb + C. – is the MIX CONDITIONAL…
A. PAST – PRESENT
B. PRESENT – PAST
C. NONE
Modal Verbs › ViewWhich modal verb is typically used in offers or suggestions: Shall or Should?
A. Might
B. Should
C. Can
D. Would
Grammar & Vocabulary › View
Do you know the man _____ you met at the party yesterday?
A. what
B. which
C. whom
D. whose