[ Vocabulary and Grammar ]
The company is ____ following several complaints.
A. in investigation
B. on investigation
C. under investigation
D. with investigation

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Grammar of Conjunctions and Prepotitions › ViewHe apologized ….. the policeman ………driving fast.
A. to, at
B. to , for
C. on, about
D. to, with
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They both follow a strict diet plan, __________ exercise regularly.
A. In the same manner
B. For example
C. Nonetheless
D. In conclusion
Grammar › ViewThere is no need to get _____ just because I’m a few minutes late.
A. annoyed
B. annoying
C. excited
D. exciting
Grammar › View
They said they were innocent. They denied ………… anything wrong.
A. doing
B. do
C. to do
