Smith ______ a book about China last year, but I don't know whether he has finished it.
#104895
A
has wrote
B
wrote
C
had written
D
was writing
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He walked down the hills, and ________ softly to himself.
#100068
A
sing
B
singing
C
sings
D
was singing
—Excuse me, Madam.Taking photos is forbidden here out of security.—I’m really sorry, I _______ of that.
#102762
A
am not informed
B
hasn’t been informed
C
hadn’t been informed
D
wasn’t informed
—You have promised to go ,then why aren’t you getting ready ?—I       you        to go at once .
#102649
A
haven’t realized ;want
B
didn’t realize ;wanted
C
don’t realize ;want
D
don’t realize ;wanted