[ Grammar ]
My brother passes(通過) the test_______ it was very difficult
A. if
B. when
C. because
D. although

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Grammar and VocabulariesDependent ClausesPresent Simple TenseGrammar- Later/LatterPrepositional PhraseFinite and Non-Finite VerbWould rather/ would prefer/ would likeNoun QuantifiersSingular and Plural NounsPast Tense vs Present TenseOther quiz:
Vocabulary › ViewThese support main ideas and are specific.
A. topic sentences
B. sequence
C. synonyms
D. details
Vocabulary › View
seeming to imply that something bad is going to happen.
A. Foreboding
B. Implicitly
C. Obliged