[ Modals and Comparative Superlative ]
In order to open the door, the former door _____________ be kept shut.
A. could
B. must
C. can
D. has to
Select your answer:

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Grammar and Sentence CorrectionPossessive AdjectivesZero Conditional Sentence-ing form and the to-infinitiveVerb Tenses and Past ParticiplesTypes of SentencesSynonyms and VocabularySuffixes (ing-ed) SentencesHomophone & HomonymPast Simple & Past ContinuousOther quiz:
Question Tags › ViewAlex has not met Steve,
A. Has he?
B. Hasn’t he?
C. Isn’t it?
D. Is it?
Prepositions › View
When I called her office, her secretary told me that she was _____ her lunch break.
A. On
B. At
C. In
D. To
