[ Grammar ]
The customer _______ about the delay was offered a 10% discount on their next purchase.
A. complained
B. complaining
C. who complaint
D. whose complain
Select your answer:

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Grammar › View______ the storage tank nor the pipes were cleaned properly before the inspection.
A. Neither
B. Both
C. Either
D. All
Present vs. Past Participle › View
I think your staff are … because they have been working hard all day.
- tired
- tiring
