A.business letters; formal letters
B.personal letters; business letters
C.formal letters; invitation letters
D.personal letters; formal letters
第1题
A、can’t read letters posted from the outside world
B、can’t smuggle letters out of jails
C、can’t write letters
D、can smuggle letters but not messages out of jails
第2题
A.personal letters; formal letters
B.business letters; formal letters
C.personal letters; business letters
D.formal letters; invitation letters
第4题
A、True
B、False
第5题
第6题
第7题
第8题
第9题
What can the combined dots represent?
A.both letters and words
B.only individual words
C.only letters of the alphabet
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