— Have you seen______ pen? I left one here this morning.— Is it__________

— Have you seen______ pen? I left one here this morning.— Is it___________ black one? I think I saw it somewhere.

#34554

the; the

a; a

the; a

a; the

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This is         apple.

#34052

the

The computer is ______useful tool in _______world today.

#32559

an; the

a; the

the; the

a; a

How_____interesting the book is! I do want to read it_____second time.

#32429

an;the

/;a

an;a

/;the

This is _______ usual way of solving the problem. Can you think of ________ unusual way?

#33916

a; a

a; an

an; an

an; a

Please check your spelling carefully. You've dropped_______ "u" here.

#32863

the

／

共1227题