求几道英语题 答案！！！！多谢！！！！

1，That 's ____useful book .Ihave read it already
a,the b,an c,/d,a

2,----Where is Xiao Ming ?
----He 's having ___rest over there .
A,a B ,an C,the D,/

3,---Have you seen __pen ?I left it here this morning .
---Is it __black one ?I think saw it somewhere .
A,a ;the B ,the ;the C,the ;a Da ;a
4。Mary began to learn ____English language at ___age of five
A,/;the B,the ;the C/;/D,the ;/

b

a

a

a

1，That 's _b,an___useful book .Ihave read it already 2,----Where is Xiao Ming ? ----He 's having _A,a__rest over there . 3,---Have you seen _D a_pen ?I left it here this morning . ---Is it _a_black one ?I think saw it somewhere . 4。Mary began to learn __A,/__English language at _the__age of five

d

a

d

a

1，That 's _B___useful book .Ihave read it already a,the b,an c,/d,a 2,----Where is Xiao Ming ? ----He 's having __A_rest over there . A,a B ,an C,the D,/ 3,---Have you seen _C_pen ?I left it here this morning . ---Is it __black one ?I think saw it somewhere . A,a ;the B ,the ;the C,the ;a Da ;a 4。Mary began to learn __A__English language at ___age of five A,/;the B,the ;the C/;/D,the ;/

dada

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