✔ Correct Answer: B. The envoy, as well as his technical advisors, was detained at the border control checkpoint.

The correct answer to the question “Choose the Grammatically Correct Sentence: The envoy, as well as his technical advisors, have been detained at the border control checkpoint., The envoy, as well as his technical advisors, was detained at the border control checkpoint., The envoy, as well as his technical advisors, are detained at the border control checkpoint., None of these” is The envoy, as well as his technical advisors, was detained at the border control checkpoint.. This question belongs to Active/Passive Voice in English. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.