[ Grammar ]
They had been walking _____ 2 hours when it started to rain.
A. since
B. for
C. in

Random Topics:
Past Simple VerbsSuperlative AdjectivesConditional SentencesVocabulary Spelling GrammarAdjective ending with ED & INGAdverbial Clause of Cause and EffectPassive Modals, Impersonal PassiveSpeech Tensesanother/the others/each other/one anotherConnectivesOther quiz:
Comparatives ( adj/ adv) › ViewI can’t understand. Would you ask him to speak _______ ?
A. clearlier
B. clear
C. more clearer
D. more clearly
Correlative Conjunction › View
Neither Jack ____ Clark are here.
A. or
B. nor
C. both
Prepositions › ViewShe smiled________hom happy.
A. at
B. with
C. to
D. about
Conjunction › View
Identify the conjunction in the sentence: I like to read books and watch movies.
A. but
B. or
C. so
D. and
