A.by surprise
B.out back
C.by accident
D.pessimistic abou
A.That's nothin
B.I'm sorry to hear that.
C.It's kind of you.
D.I'm afraid not.
A.It’s a good idea
B.What a pity
C.Remember to bring it next time
D.I’m glad to hear that
A.pointing
B.indicating
C.substituting
D.accompanying
E.spreading
F.extending
G.meaning
H.suicide
I.until
J.unless
K.communicated
L.informed
M.directed
N.consciously
O.intentionally
A.I hope you enjoy it
B.That's good
C.Oh! I'm sorry to hear that
D.Great! I really had a good time
A.singing
B.sung
C.sing
D.to sing
at’s why I ________ (not hear) you.
A.No news is good news.
B.Please tell me where it is.
C.Yes.I just bought it last month.
A.That’s all
B.Sorry to hear that
C.Thank you for inviting me
D.I've no idea
A.if
B.unless
C.although
D.because