单项选择题

He seems too tired today, and I wonder ______ he got a good sleep last night.

A．when
B．that
C．if
D．where
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单项选择题
-- I'm sorry; I shouldn't have been so rude to you. -- You ______ your temper but that's OK.
A．have lost
B．had lost
C．did lose
D．were losing
单项选择题
______ twenty dollars a big sum to her I suppose so.
A．Will be
B．Is
C．Are
D．Were
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