[ Grammar ]
I called my doctor’s office, but I got the voicemail. They ________ be closed for lunch.
A. must not
B. won’t be able to
C. will be able to
D. must

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Types of Sentence StructureA/AnPassive Voice in Past and Present TenseKinds of NounsModals of ObligationAdverbial Clause, Noun ClausePast Tense vs Future TenseTransition WordsIntermediate PrepositionsUsed to & would & Past SimpleOther quiz:
Vocabulary › ViewThe council approved a city-wide _______ to conserve water by planting drought-tolerant plants.
A. bystander
B. distraught
C. endeavor
D. irate
E. laborious
Grammar › View
Which one is correct?
A. If Sally late again, I will mad.
B. If Sally is late again I will be mad.
C. If Sally is late again, I will be mad.
D. If Sally late again, I will mad.
Grammar › ViewPast simple and past participle of FLY
A. FLEW / FLOWN
B. FLIED / FLIED
C. FLEWED / FLOWNED
D. FLI / FLUN
Grammar › View
Kim did not practice hard enough ________ she failed her piano exam
A. so
B. still
C. but