--How’s that? Who broke the glass? ---Well, it ___me. I was doing my homework the whole evening.
#103580
A
hasn’t been
B
hadn’t been
C
weren’t
D
wasn’t
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Our food ________ .So we’d better go home to fetch some.
#101078
A
has run out
B
had run out
C
is run out
D
has run out of
The book __, it’s a best-seller. 
#103594
A
sell well
B
is sold well
C
has sold well
D
sells well
If Newton lived today,he would be surprised by what_____in science and technology.
#104075
A
had discovered
B
had been discovered
C
has discovered
D
has been discovered