------Hey, Emily, I’ve got a used copy of our chemistry textbook for half price. ------ I’m afraid you ____ your money. Yours is the first edition, but we’re supposed to be using the third edition.
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A
had wasted
B
were wasting
C
wasted
D
will waste
推荐题目
It is the first time I ______ this kind of music.
#100782
A
heard
B
am hearing
C
have heard
D
had heard
A poet and journalist ________to give us a speech tomorrow  in our school .
#103352
A
is said.
B
are said
C
is saying
D
are saying.
-Why does the river smell terrible?-Because large quantities of water______.
#100039
A
have been polluted
B
is being polluted
C
has been polluted
D
have polluted
The first edition             in 1955 and         a best seller ever since.
#101874
A
was published; had been
B
had been published; had been
C
has been published; has been
D
was published; has been