Look!Is this your ___book?A.a B.an C.the D./
Look!Is this your ___book?A.a B.an C.the D./
this is -------------your notebook A.a b,an C the D\
Idon't know ___book this is.A.who B.whom
look!() eraser is on the desk,whose is it?A .A B.An C .The D
This is a book ( )and book is new A.an B.a C.the D./
look There is ()chocolate on the table A a B an C some D any
is this ____ tape player?yes,it is a.a b.an c.the d./
单项选择 What is this,plese?---It is UFO.A.a B.an C.the D\
This is a ( ) useful advice A a B an C the D 应选哪一个
Is there clock in your roon?yes,there is A.a B.an C.the D.\
Look ,this is _Giant.a.a b.the c./
There is [ ] 'm' in the word 'map' A.the B.a C.an D this 说清楚