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an, The a,A. an,A. a, The
book is on the floor .Whose is it? — It be Tom’s .It has his name on it. A. need must can’t mustn’t
is, No, he isn’t. is, Yes, he is. has, No, he hasn’t. has, Yes, he has.
, the; A. an; A. a; The an; The
read was reading has done would read
something useful anything useful useful something useful anything
a so useful book such an useful book a such useful book so useful a book
read; back to bought; to borrowed; back to kept; to
B.C.D.中选出一个能填入句中空白处的最佳答案。 Lily has ________ useful book. ________ book is also very interesting. A. a; The a;A. an; The an;A.
has written; is finished wrote; is being finished has been writing; hasn’t been finished has been writing; hasn’t finished
read was reading has done would read
is; No, he isn't has; Yes, he has isn’t; Yes, he is hasn’t; No, he hasn't