In physics, it is more difficult to walk on a sandy road than it is to walk on a concrete road because…
A. Sand is soft and concrete is hard
B. The friction between sand and feet is less than that between concrete and feet
C. The friction between sand and feet is more than that between concrete and feet
D. The sand is grainy whereas concrete is smooth
Random Topics:
Subject-Verb AgreementClauses and ConjunctionsTenses, Tag Questions, Phrasal VerbsAdverbial Clause of Cause and EffectConditional 0Sentence LabelingPresent Simple or Present ContinuousDefinite vs Zero Article Abstract NounsArticles and DemonstrativesAdverb of MannerOther quiz:
Tenses › ViewA : What (you, usually, read) ………………………………………… when you are on holidays ?
B : I (read) ………………………………………… detective stories. Now I (read) ………………………………………… The Shut Door by Lock.
A. do you usually read; I’m reading; I read
B. do you usually read; I read; I am reading
Adjective › View
You go with …
a. a group of people strange small.
b . a strange small group of people.
c . a small group of people strange.
Grammar › Viewnoun-verb agreement
My luggage _____ too heavy so I had to take some items out.
_____
A. were
B. was
Sentences Function and Structure › View
Deserts are harsh and dry, ________ many plants grow there.
A. for
B. so
C. yet