单项选择题

He has been asked to account__________ his absencE.A.0fB.onC.about

A.A.0f
B.on
C.about
D.for

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单项选择题Anna：__________，where is the post office，please?Lily：Let me seE.Go straight for a few minutes，then turn left，you’ll see lpost officE.Anna：Thanks a lot． Lily：You’re welcomE.A.Excuse meB.HelloC.Good morningD.Do you know

A.Go
B.
A.Excuse
C.Hello
C.Good
D.Do

单项选择题Greg：Hi，Karen．I have tickets to a concert at Carnegie Hall．It starts at 8：00． Karen：Hmmm…__________．A.Sure，but I have to prepare for the examB.Thank you all the sameC.Leave it to me，I assure youD.I'm afraid I can’t make it by then

A.I
B.It
C.
A.Sure，but
D.Thank
E.Leave
F.I'm