问题

What’s the matter with Jane? She has been sitting there for hours. — A letter from her mother _____ an attack of homesickness in her.
A: set out
B: set off
C: sent off
D: sent up
B: set off
C: sent off
D: sent up
正确答案是:
同类题型
e you are here, you ____ as well stay here for long.
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