-- I think we'll give Bob a ring.-- We . We have been out of touch with him for ages.A.

发布时间：2020-08-16 07:23:58

-- I think we'll give Bob a ring.
-- We      . We have been out of touch with him for ages.
A. will
B. may
C. have to
D. ought to

网友回答

A. will
B. may
C. have to
(答案→)D. ought to
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