[ Grammar ]
Robert arrived without his book. He _____ it.
a. could have lost
b. should have lost
c. would have lost
d. will have lost

Random Topics:
Linking WordsInfinitives or GerundsHelping and Linking VerbsPast Perfect Simple TensePast Perfect vs Past SimpleSimple Present Negative and QuestionGerundsBecause / soPunctuationMixed GrammarOther quiz:
Grammar and Passive Voice › ViewWhat is the passive voice form of “The dog bit the mailman”?
A. The mailman is bitten by the dog.
B. The mailman was bitten by the dog.
C. The dog bit the mailman.
D. The mailman has bitten the dog.
Simple Present Tense › View
Your boyfriend and you ______ a soda.
A. drink
B. speak
C. cook
D. draw