Topics: Infinitives
I promised ______ on time. I mustn’t _______ late.
A. be/be
B. to be/to be
C. to be/ be
D. be/to be
Select your answer:

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Writing and Modal AuxiliaryDefinite, Indefinite and Zero ArticlesAdverbial Concession ClausesPast Simple VS Used toModals and InversionAdverbs of TimeSimple Past Tense and Present Continuous TensePronouns, Verb, ConjunctionPast Simple and Past ProgressiveComparatives and Past Perfect TenseOther quiz:
Tenses › ViewConsistently demonstrating an impressive work ethic, Ms. Hyun often…… extra projects in addition to her regular workload.
A. is taking on
B. takes on
C. will take on
D. took on
Grammar › View
There are …………. chairs in the school.
A. Thousands
B. Thousands
C. A thousand
D. Thousand
