[ Modals in the Past - Speculation and Deduction ]
The government _________ implemented a more efficient process for naturalization to reduce delays. However, they weren’t aware of the increasing in immigration.
A. could have
B. must have

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Es and SPresent Perfect and Present Perfect Progressive TensesPast ModalsPresent Perfect SimpleSpellingGrammar - Present PerfectComparatives and Past Perfect TenseFuture Tenses, Conditionals and ProfessionsAcademic VocabularySimilesOther quiz:
Poetry › ViewThe last word in a line will be echoed by a word placed in the beginning or in the middle of the following line.
A. internal rhyme
B. end rhyme
C. quatrain
Mixed General Quiz › View
His ___ attention was focussed on the film.
a. rapt
b. wrapped
Her picture is now _____ on my desk.
A. sitting
B. setting
Grammar › View
“Has anyone ever ____ an albino tiger before?” Miss Chua asked her students?
A. see
B. saw
C. seen
D. sees
