The streets are crowded ________ vehicles at the rush hour.
A. at
B. in
C. with
D. of

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Grammar - Capitalization and Possessive NounsGiving and Asking for AbilityConnectorsGrammar (was, were, could, could not)Subjective and Objective PronounGrammar Comma UsageGrammar of Future PlansSimple Present Tense vs Present Continuous TensePresent Perfect Simple & Present Perfect ContinuousDefinite and Zero ArticleOther quiz:
Grammar › ViewSarah’s job as a meteorologist is to predict the weather. Predict means:
A. Say what will happen in the future
B. Prepare people to wear the correct clothing
C. Talk about the weather
D. Say what happened in the past
Grammar › View
Nobody knows for sure, but it’s believed that the balls ___ by the ancestors of native people.
A. could have been made
B. could be made
C. could have made
D. could have be made
(1) The neighborhood has many apartment buildings. (2) I live in the neighborhood.
A. The neighborhood where I live has many apartment buildings.
B. The neighborhood has many apartment buildings, where I live.
C. The neighborhood has many apartment buildings, but I live in the neighborhood.
D. The neighborhood has many apartment buildings, and I live in the neighborhood.
Grammar › View
Which part needs to correct?
Animals like frogs have waterproof skin that prevents it from drying out quickly in air, sun, or wind.
A. have
B. that
C. it
D. wind
