bai 3 choose the correcswer
1.they are my...............(frend/pens/ruler/rubber)
2..................is my bookcase(they/those/these/it)
3.those..................my penclis(is.am.are.do)
4.what colour ..................................your book ,nam(is,am,are,do)
5 what colour................your pens?( is am are do)
6 is ...........................your desk?(those,these,that,they)
7 what colour.......................they?(is, am ,are,do)