[ Past with Modals ]
He must have been busy with work last week.
A. He was free last week.
B. He was not busy with work.
C. He had no work to do.
D. He was busy with work.

Random Topics:
Adverbs of Manner, Likes and PreferencesSimple Present Tense/be/Present ProgessiveModals of Speculation and DeductionHow often - long - much - manyPrepositions and AdverbsGerund and InfinitivesTenses and QuestionsPronouns/ Present TenseTypes of Sentence StructuresNoun Phrases and Verb PhrasesOther quiz:
Grammar › ViewI _____________________ (never go) to Africa but I want to go to Africa one day.
A. didn´t go
B. haven´t gone never
C. have never gone
D. was never going
Grammar › View
Before he turned 14, Mozart ________ a few lesser piece for the piano.
A. has composed
B. had composed
C. was composed
D. would compose
Some vs. Any › ViewThere’s __ milk in the fridge.
a. some
b. any
Give, do and make › View
Our college ………. us a wide choice of subjects to study.
A. gives
B. makes
C. does
