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m. ______ Thursday morning. A.at, in on, on on, in at, on
was about; when was going to; when would; when was on the point; as
take out take off take on take up
having delivered to be delivered delivering delivered
as if for except that except when
when was it that when was that it when that was when it was that
delivered to be delivered having delivered delivering
In； on On； on In； at On； at
speech should be understood B. speech should be easy to understand one should make himself understood one should make listeners understand
when was that it when was it that when that was when it was that
having delivered to be delivered delivering delivered
it; This this; It that; This that; It
when was that it when was it that when that was when it was that
watch out refer to come across look after
to deliver be delivered delivering having been delivered
was met was welcome was popular was greeted
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