Complete the sentences with the correct form of the modals and verbs in parentheses:
We ___________ (must / maintain) excellence in our customer service or people will complain.
A. mustn’t maintain
B. must maintain
C. must maintains
Random Topics:
Past form of ModalsComparative AdjectivesPrepositions Of PlaceGive, do and makeConditional Sentence Type 3Simple Present Negative and QuestionReported Speech and SubjunctiveIf/Unless - Conditional type 1Basic GrammarPresent Simple TenseOther quiz:
Grammar › ViewDid she ______ the floor ten minutes ago?
Yes, she ______. She ______ the floor ten minutes ago.
A. mopping / is / mopping
B. mopped / did / mop
C. mop / does / mops
D. mop / did / mopped
Simple and Progressive Verb Tenses › View
Jordana draws very well.
A. present tense
B. present progressive tense
Tenses and Voice › ViewDifferentiate between the present perfect and past perfect tenses.
A. Present perfect describes actions that will happen; past perfect describes actions that are currently happening.
B. Present perfect is used for future actions; past perfect is used for ongoing actions.
C. Present perfect indicates relevance to the present; past perfect indicates an action completed before another past action.
D. Present perfect indicates an action completed in the future; past perfect indicates an action that is still ongoing.
Vocabulary and Grammar › View
. If we _____ protesting about air pollution, something might be done.
A. throw into
B. keep away
C. throw away
D. keep on