.
They ___ out because the light’s on. Let’s go upstairs and have a look.
A.mustn’t go | B.can’t have gone | C.couldn’t go | D.might have gone |
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.
They ___ out because the light’s on. Let’s go upstairs and have a look.
A.mustn’t go | B.can’t have gone | C.couldn’t go | D.might have gone |