[ Grammar ]
Choose the sentence that is correctly punctuated.
A. Before reaching the summit, the climbers were forced by a storm to turn back.
B. Before reaching the summit the climbers were forced by a storm to turn back.
C. Before reaching the summit, the climbers were, forced by a storm, to turn back.
D. Before reaching the summit the climbers were, forced by a storm, to turn back.

Random Topics:
Verb 3 formsAnalogyConjunctive AdverbConditional 0Family Vocabulary and GrammarLinking VerbsNounsTenses and VoiceGerunds as objects of prepositionA(n), the, no articleOther quiz:
Tenses › ViewThis time last year I _____ at university.
A. studied
B. was studying
Past Tenses › View
Daniela was ____________ for me, while I was on the classroom.
A. waiting
B. wait
C. waited
Past Simple Tense › ViewYesterday, I _________ (run) to school.
A. ran
B. run
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Passive Voice › View
The money was stolen.
A. Active
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