[ 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:
Grammar › ViewWhat is the complete subject of the following sentence?
The car went quickly over the hill
A. The
B. The car went quickly
C. The car
D. The car went
Articles › View
Do you often listen to ________ radio?
A. –
B. the
C. a | an
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
