—Jack is not in the office at the moment
—Oh, he ______ those who are going to take the driving test in an hour.
A.can have instructed | B.must have instructed |
C.must be instructing | D.will be instructing |
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—Jack is not in the office at the moment
—Oh, he ______ those who are going to take the driving test in an hour.
A.can have instructed | B.must have instructed |
C.must be instructing | D.will be instructing |