--- Why didn’t Mr. Smith arrive on time for the meeting?
--- He must have been ________ on his way here in the traffic jam.
A.held up | B.put up | C.taken up | D.given up |
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--- Why didn’t Mr. Smith arrive on time for the meeting?
--- He must have been ________ on his way here in the traffic jam.
A.held up | B.put up | C.taken up | D.given up |
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