[ Past Perfect Tense ]
The police couldn’t arrest Andy, because they _______ any evidence against him.
A. didn’t find
B. hadn’t found

Random Topics:
Vocabulary and Sentence StructurePossessive Nouns with Apostrophes and PronounsWill or Going toa, an, the, zero articleBe Going To vs. WillRelative ClausesHow much and how manyOn, At, ByVerbsConditional ClauseOther quiz:
Constrative Conjunction › View… the global economy crisis, many labors lost their job.
A. Because of
B. Because
C. Despite of
D. Although
Grammar › View
Only when ______ may vehicles cross the train tracks.
A. is the green light on
B. did the green light be on
C. on is the green light
D. the green light is on
Adverbial Clauses › ViewPlease don’t call me for any reason ______ home from work.
A. by the time I came
B. until I have come
C. after I was coming
D. as soon as I had come
Tenses › View
My mother ______ (cook) dinner while I was studying.
A. was cooking
B. were cooking
C. cooked
D. cooking
