[ Verb Tenses ]
They ……………. for hours when we finally arrived
A. waited
B. were waiting
C. had waited
D. waiting

Random Topics:
Mixed GrammarAsking & Giving AttentionSimple TensesAdverb of MannerWill & Be going toArticles and PrepositionsPresent Simple with Adverbs of FrequencyPresent Verb TensesPast Tense vs Future TensePronoun-Verb AgreementOther quiz:
Inversion + Passive Voice › View______ be needed, the water basin would need to be dammed.
A. When hydroelectric power
B. Should hydroelectric power
C. Hydroelectric power should
D. Hydroelectric power
Gerund › View
Children, don’t forget … the lights when you leave the classroom.
A. to turn off
B. turning off
Modal Verbs › ViewFill in the blank: You ___ finish your homework before going out. (must/ can)
A. might
B. could
C. should
D. must
Past Continuous Tense › View
When you called, I __________ the newspaper.
A. had been reading
B. was reading
C. had read
D. read
