[ Prepositions of Time and Place ]
We went skiing on the mountains ___ the weekend.
A. at
B. on
C. to

Random Topics:
Temporal Conjunctions and ConnectivesRelative ClausePronouns and QuantifiersAdjective Clause and Adverb ClauseLinking Words and PhrasesAdjectives (-ed / -ing)was wereVocabulary and GrammarModal PerfectPresent Simple x Present ContinuousOther quiz:
Tenses › ViewHe left an hour ……………
A. before
B. ago
C. last
Grammar › View
Andy always ____ away the unnecessary things without permission. ( to throw )
A. throws
B. has threw
C. will threw
D. have thrown
Subject-Verb Agreement › ViewOccurring naturally (is, are) over 100 elements, or substances that cannot be separated into different kinds of matter.
A. Is
B. Are
Conjunctions and Preposition › View
The river water is severely polluted, mostly________ the dumping of raw sewage.
A. due to
B. lead to
C. because
D. so
