[ Grammar ]
The topology of Mars is more —- than that of any other planet.
A. like that of the Earth
B. the Earth’s like that of
C. like the Earth of that
D. that of the Earth’s like

Random Topics:
Present and Past Perfect TensesVerb & GrammarClauses and ConjunctionsTenses and VoiceAdverbs of frequencyPresent and Past TensesDescribing WordsPhrasal VerbNoun Verb AgreementClauses of ReasonOther quiz:
Modal Verbs › ViewYou _________ believe everything you read in the newspapers.
A. should
B. shouldn’t
C. must
D. can
Conditionals › View
Complete the sentence with the correct verb form: ‘If I ________ (to see) him yesterday, I would have said hello.’
A. had seen
B. have seen
C. saw
D. seeing
Grammar: wishes and regrets › ViewI wish ___________ you about this before.
A. I told
B. I’d told
Sentence Labeling › View
Label the following sentence: “The tables and chairs were scattered and upset by the crowds.”
A. Simple
B. Complex
C. Compound-complex
D. Compound
