---Allen, are you coming with us? ---I’d love to, but something unexpected ____.
#101426
A
has come up
B
was coming up
C
had come up
D
would come up
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–Oh, you said you’d tell me the latest news about the missing Malaysian Airlines flight MH370.-- Sorry, I with my work at hand. I to that.
#99322
A
deal; will come
B
was dealing; come
C
have dealt; have come
D
have been dealing; am coming
—What happened to Tom?—He ______ his leg while playing football with his classmates.
#100240
A
had broken
B
has broken
C
broke
D
was breaking
Although medical science________control over several dangerous diseases，what worries us is that some of them are recurrent.
#99174
A
achieved
B
has achieved
C
will achieve
D
had achieved
----Hi, Tracy; how are you doing?-----I’m tired out, for I ______my living room all day.
#102278
A
painted
B
had painted
C
have painted
D
have been painting
My watch _____ at nine o’clock, but now it _____.
#101326
A
was going; stopped
B
went; is stopping
C
was going; has stopped
D
went; stopped