[ Modal Verbs ]
There is a knock at the door. It________my mom. It’s time for her to be back home.
A. may be
B. may not be
C. must be
D. mustn’t be

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Mixed General Quiz › ViewResearchers try to ___ truthful responses from subjects.
a. elicit
b. illicit
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At 9 p.m. last night, my friend ___ jokes that made everyone laugh.
A. am telling
B. was telling
C. is telling
D. are telling