-----I wonder if you could go with me to the supermarket. ------- Don’t disturb me. I _____________my experiment report all the morning and haven’t finished yet.
A.
write
B.
was writing
C.
have written
D.
have been writting
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皮皮学刷刷变学霸
举一反三
【简答题】A.Garbage from food B.Old ears. C.Empty bottles. D.Bottle glass.